Screw Machine Products Companies

Last updated: January 2026

This directory lists 125 screw machine products companies across the United States, from high-volume multi-spindle specialists to precision CNC Swiss screw machining shops.

Buyers engaging with this category are typically solving critical problems related to scaling production, achieving intricate part geometries, or demanding exceptionally tight tolerances on components. These might include precise threads for aerospace fasteners, micro-drilled holes for medical devices, or complex profiles that benefit from the inherent speed and efficiency of dedicated cam-driven or CNC-controlled screw machines working directly from bar stock.

Suppliers in this space distinguish themselves by their equipment fleet, material expertise, and value-added capabilities. Some focus exclusively on high-volume production of simpler components using traditional multi-spindle automatics, driving down unit cost. Others specialize in high-precision, small-diameter parts with complex features using Swiss screw machines, often serving medical, aerospace, or electronics markets. A third group offers a blend, incorporating advanced CNC turning centers for larger, more complex parts, alongside traditional screw machines.

Before reaching out, buyers should have fully defined CAD models and detailed technical drawings with specified material grades, surface finishes, and critical geometric tolerances. Be prepared to discuss annual volume forecasts, required lead times, and any necessary post-machining processes like heat treating, plating, or assembly. Suppliers expect a comprehensive Request for Quote (RFQ) that clearly outlines all these parameters to provide an accurate and competitive bid.

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Company Directory

125 companies nationwide

AAA Industries Inc.

aaaind.com
Detroit, MI

Based in Detroit, MI, AAA Industries Inc. specializes in high-volume, precision-turned multi-spindle screw machined parts. With over 60 years of experience, they serve both automotive and non-automotive industries. The company is ISO 9001 and IATF 16949 certified, offering engineering and production support.

sales@aaaind.com+13132550420

Aaero Swiss

aaeroswiss.com
Anaheim, CA

Based in Anaheim, CA, Aaero Swiss provides precision CNC machining services, specializing in swiss screw machine products. They handle high and low volume orders with close tolerances, producing parts like pins, shafts, and implant screws. Serving medical, dental, aerospace, defense, automotive, and electronics industries.

sales@aaeroswiss.com+17145758990

Accurate Automatic Manufacturing Company

aamconline.com
Wylie, TX

Based in Wylie, TX, Accurate Automatic Manufacturing Company specializes in screw machine products, operating 19 single spindle automatic screw machines capable of high or low volume orders. The company also offers CNC milling, turning, and broaching services, handling projects from prototypes to high-production runs with a focus on quality assurance.

team@latofonts.com+19724426700

Advanced Tech Machining

advtechmachining.com
Fremont, CA

Advanced Tech Machining, based in Fremont, CA, specializes in precision CNC machining, milling, and turning services. They produce high-quality, custom-machined components for demanding industries such as aerospace, medical, automotive, and electronics. The company provides engineered solutions, offering agile and scalable production for prototypes and complex runs.

rfq@atmachining.us+14084339451

Aerotech Precision Machining, Inc.

aerotechpmi.com
Lancaster, CA

Based in Lancaster, CA, Aerotech Precision Machining, Inc. is an AS9100D certified family-owned company with over 40 years of precision machining experience. They specialize in manufacturing metal and composite components, serving the aerospace, medical, military, commercial, and electronic industries with quality and timely delivery.

jreyes@aerotechpmi.com+16618027185

AJ Solutions Machining

ajsolutionsmachining.com
Fremont, CA

Based in Fremont, CA, AJ Solutions Machining provides ISO-certified precision CNC machining services. They specialize in CNC milling and turning (lathe) for prototype and production runs, working with diverse metals and plastics. Serving aerospace, defense, and automation, they emphasize close tolerance, high precision, and rapid turnaround.

info@ajsolutionsmachining.com+15102708036

Alpha Omega Swiss, Inc.

alphaomegaswiss.com
Yorba Linda, CA

Based in Yorba Linda, CA, Alpha Omega Swiss, Inc. specializes in precision CNC machining and Swiss screw machine products. Established in 1980, they produce customized, high-quality components. Their expertise covers medical, dental, aerospace, military, and electronics sectors, providing items like medical screws and dental implants.

info@alphaomegaswiss.com+17146928009

American Prototype & Production, Inc.

americanprototype.com
San Carlos, CA

Based in San Carlos, CA, American Prototype & Production, Inc. offers precision machining services for science and industry. Since 1989, they've specialized in manufacturing instrumentation for R&D, semiconductor, and medical device companies, focusing on quality and leveraging advanced industrial technology. They serve diverse B2B clients.

quote@americanprototype.com+16505954994

American Swiss Products Co., Inc

americanswiss.com
Pittsford, NY

Based in Pittsford, NY, American Swiss Products Co. Inc. specializes in precision Swiss screw machining and CNC turning. They produce micro-machined components for demanding industries including medical, dental, electronics, aerospace, and fiber optics.

sales@americanswiss.com+18008059855

AMSwiss

amswiss.com
South Elgin, IL

AMSwiss is a manufacturer of precision Swiss screw machine products based in South Elgin, IL. With over 30 years of experience, the company produces finely-crafted components. AMSwiss is ISO 9001:2015 certified, focusing on quality, competitive pricing, and customer satisfaction.

sales@amswiss.com+18474689300

Antron Engineering, Inc.

antroneng.com
—

Based in Bellingham, MA, Antron Engineering, Inc. is a contract manufacturer offering CNC screw machining, milling, and turning services. They serve world-leading OEMs in industrial, aerospace, medical, defense, motorsports, and firearm component manufacturing, delivering high-end products.

info@antroneng.com+18772252362

Associated Fastening Products, Inc.

associatedfastening.com
Itasca, IL

Based in Itasca, IL, Associated Fastening Products, Inc. manufactures and distributes standard and special fasteners. They specialize in automatic and Swiss screw machining, CNC machining, cold heading, and metal stamping, serving the OEM market, agriculture, and gun manufacturers.

sales@associatedfastening.com+18886960709

Atlas Screw Machine Products Co., Inc.

atlasscrew.com
San Francisco, CA

Based in San Francisco, CA, Atlas Screw Machine Products Co. Inc. provides quality screw machine products. With over 40 years of experience, the company offers on-time delivery at reasonable prices for customers from small businesses to large corporations, with nationwide shipping.

info@atlasscrew.com+14156216737

Avanti Engineering, Inc.

avantiengineering.com
Glendale Heights, IL

Based in Glendale Heights, IL, Avanti Engineering, Inc. provides ISO 9001:2015 certified high-volume screw machine products. They offer multiple spindle CNC and Swiss machining, processing diverse materials like steel, stainless steel, copper alloys, aluminum, and plastics. Avanti Engineering serves various industrial sectors.

info@avantiengineering.com+16302601333

Brogan & Patrick Mfg.Corp.

brogan-patrick.com
Elkhorn, WI

Based in Elkhorn, WI, Brogan & Patrick Mfg.Corp. offers precision CNC machining services, including screw machining, milling, and turning. They specialize in plastic components, providing tight tolerance machining and cryogenic deburring. The company handles both prototypes and high-volume production.

sales@brogan-patrick.com+12627236909

Carlson Engineering & Manufacturing, Inc.

carlsoneng.com
San Dimas, CA

Based in San Dimas, CA, Carlson Engineering & Manufacturing provides precision machining services, including CNC milling, turning, and multi-axis machining. They specialize in prototyping and production of custom parts for critical applications. The company serves various industries such as aerospace, medical, automotive, electronics, and defense.

info@carlsoneng.com+19095998087

CES Machine Products, Inc.

cesmachine.com
Reno, NV

CES Machine Products, Inc. based in Reno, NV, specializes in high-precision CNC Swiss screw machine parts and CNC lathe components. With over 40 years of experience, this women minority-owned company serves the Aerospace, Defense, and Medical industries, holding ISO13485, AS9100, and ISO9001 certifications.

rfq@cesmachine.com+17758577410

Cupples' J&J Company Inc.

cupplesjandj.com
Jackson, TN

Based in Jackson, TN, Cupples' J&J Company Inc. specializes in single and multi-spindle screw machine services. The company also offers comprehensive specialty and production CNC milling and CNC turning capabilities, providing precision manufacturing solutions for diverse industrial and commercial B2B clients.

rfq@cupplesjandj.com+17314243621

Cuyahoga Precision Manufacturing

cuyahogaprecision.com
Cleveland, OH

Based in Cleveland, OH, Cuyahoga Precision Manufacturing provides precision machining services for high-quality parts. They offer sample production, contract manufacturing, and turnkey engineering solutions, focusing on components like bone screws and sleeves. The company leverages extensive experience and state-of-the-art equipment for efficient production.

info@cuyahogaprecision.com+13309583701

DeKING Precision, Inc.

deking.com
Chatsworth, CA

Based in Chatsworth, CA, DeKING Precision, Inc. manufactures custom, made-to-print precision machined products. With over 60 years of experience, the AS9100 and ISO 9001 certified, ITAR compliant company serves aerospace, defense, automotive, medical, electronics, and commercial industries with a commitment to quality.

mail@deking.com+18188823331

Ed's Precision Manufacturing, LLC

edsprecision.com
Houston, TX

Based in Houston, TX, Ed's Precision Manufacturing, LLC specializes in Swiss screw machining, CNC turning, and CNC milling. They process diverse materials including alloy steels, brass, titanium, and super alloys to produce OEM parts and custom fasteners. The company is ISO 9001:2015, ITAR, and CMMC Level-1 certified.

sales@edsprecision.com+17139561112

EGS Production Machining, Inc.

egsprod.com
Irving, TX

Based in Irving, TX, EGS Production Machining, Inc. operates as a precision Swiss CNC machine shop. The company specializes in manufacturing close-tolerance components, offering expert Swiss turning, conventional CNC machining, and multi-axis CNC machining services for various industrial applications.

sales@egsprod.com+19724382251

Gent Machine

gentmachine.com
Cleveland, OH

Based in Cleveland, OH, Gent Machine is a contract manufacturer specializing in screw machine parts. They turn bar stock from 1/64″ to 2″, providing high-volume production for automotive, defense, and industrial clients. Utilizing multi-spindle and CNC machines, they produce tight-tolerance parts from common and exotic metals.

info@gentmachine.com+12164812334

Micro Precision Components, Inc.

gompc.net
Bloomfield, NY

Based in Bloomfield, NY, Micro Precision Components, Inc. specializes in high precision machining services, including Swiss screw machining and CNC machining. They produce tight tolerance, precision components with high surface finishing capabilities. The company works with diverse materials like steel, aluminum, plastics, and titanium, offering micro precision and multi-spindle services.

info@gompc.netor+18666734590

GrovTec Machining

grovtecmachining.com
Wood Village, OR

Based in Wood Village, Oregon, GrovTec Machining operates a dedicated screw machine shop. The company utilizes 26 multi-spindle Davenport machines, including 5-spindle Davenport screw machines, specialized for producing high-volume precision parts.

info@grovtecmachining.com+15035574689

H&H Precision Machining, Inc.

hhprecisionmachining.com
Decatur, TX

Based in Decatur, TX, H&H Precision Machining, Inc. operates a large-scale CNC production machine shop. The company manufactures billet aluminum and metal parts, tooling supplies, and precision components. Their expertise includes aircraft parts, custom aftermarket auto parts, brackets, connectors, hose fittings, fuel system parts, pulleys, sprockets, and CNC billet valve covers.

ben@status26.hhmfg+18173601694

Hogge Precision Parts Co., Inc.

hoggeprecision.com
Hartsville, SC

Based in Hartsville, SC, Hogge Precision Parts Co. Inc. is an ISO 9001:2015 registered contract manufacturer specializing in precision CNC turning, milling, multi-spindle screw machining, and Swiss machining. They produce complex, high-tolerance parts for aerospace, biomedical, defense, and telecommunications industries, managing medium to high volume production.

info@hoggeprecision.com+18433323566

H & R Screw Machine Products, Inc.

hrscrew.com
Reed City, MI

Based in Reed City, MI, H & R Screw Machine Products, Inc. is a custom manufacturer specializing in precision machined components. They produce screw machine components from brass, bronze, steel, stainless steel, and aluminum, utilizing both traditional screw machines and CNC/Swiss CNC machining capabilities.

sales@hrscrew.com+12318322356

H&W Manufacturing

hwmfg.com
Spring, TX

H&W Manufacturing is a precision machine shop located in Spring, TX, operating since 1978. They provide comprehensive machining services for the Houston area, utilizing their own facilities and equipment to produce precision parts.

hwmfg@hwmfg.com+12813539079

Hyland Machine Co.

hylandmach.com
Dayton, OH

Based in Dayton, OH, Hyland Machine Co. is a family-owned contract manufacturer. They specialize in high-volume precision turned products up to 2-5/8″ diameter, utilizing Acme and Davenport multi-spindle screw machines. Serving OEM and Tier-1 clients in automotive, defense, medical, and energy, this ISO 9001:2015 Certified company has operated since 1928.

info@hylandmach.com+19372338600

Influxx Labs CNC Machining

influxxlabs.com
Milpitas, CA

Based in Milpitas, CA, Influxx Labs CNC Machining provides precision CNC turning, milling, and Swiss machining services. They specialize in high-volume production and prototyping for complex components with tight tolerances, serving critical sectors like medical, aerospace, and electronics with a range of metals and plastics.

sales@influxxlabs.com+14084617185

Jessen Manufacturing Co., Inc.

jessenmfg.com
Elkhart, IN

Based in Elkhart, IN, Jessen Manufacturing Co. Inc. specializes in precision screw machine and Swiss turned products. This ISO 9001:2015 certified company offers automatic screw machining, CNC turning, and vertical machining. They provide comprehensive manufacturing engineering and turnkey solutions, catering to demanding customer specifications since 1923.

jessen@jessenmfg.com+15742953836

Jurman Metrics Inc.

jurmanmetrics.com
Monroe, CT

Based in Monroe, CT, Jurman Metrics Inc. is a precision CNC and conventional custom manufacturer. They specialize in part manufacturing from prototype to medium volume production, offering CNC turning with multi-axis mill-turn capabilities and CNC milling services for the semi-conductor and analytical instrument industries.

sales@jurmanmetrics.com+18663644564

KaraTech Machining, LLC

karatechcnc.com
Dickinson, TX

Based in Dickinson, TX, KaraTech Machining, LLC provides high-volume production runs of precision small parts. Utilizing Mori Seiki Turning Centers, they handle diameters from 3/8″ to 4 1/2″ round and bar sizes up to 16″. The company is ISO 9001:2015 and DNV certified for quality.

info@karatechcnc.com+12813371128

Kernell's Automatic Machining

kernellsautomatic.com
Berlin Heights, OH

Kernell's Automatic Machining, based in Berlin Heights, OH, specializes in high-quality CNC Swiss and Screw Machining services. The company delivers precision components using state-of-the-art in-house tooling and custom inspection equipment. Adhering to ISO 9001:2015 standards, they offer comprehensive solutions including machining add-ons and secondary services.

info@kernellsautomatic.com+14195882164

Keystone Machine and Fabrication

keystonemachineandfab.com
Grafton, OH

Based in Grafton, OH, Keystone Machine and Fabrication is a contract manufacturer specializing in high-precision, close-tolerance machined parts. They offer extensive milling and turning services for both large and small components, serving the Aerospace and Industrial markets with capabilities for quick turnaround and rush orders.

info@keystonemachineandfab.com+14403554285

K&S Precision Machining Inc.

knsprecision.com
Sunnyvale, CA

Based in Sunnyvale, CA, K&S Precision Machining Inc. specializes in precision CNC machining. Their services include turning (screw machining), milling, multi-axis machining, and grinding for diverse materials like aluminum, stainless steel, and exotic alloys. The company operates an ISO 9001:2015 compliant facility.

sales@knsprecision.com+14084980601

Krisco Machining Inc.

kriscomachining.com
Santa Clara, CA

Based in Santa Clara, CA, Krisco Machining Inc. offers precision CNC machining services for prototyping, short-run, and production. They specialize in both CNC milling and turning, processing materials like aluminum, steel, brass, and plastics. The company serves a variety of industries with custom machined components.

info@kriscomachining.com+14089861290

Laube

laube.com
Camarillo, CA

Based in Camarillo, CA, Laube specializes in precision screw machined parts for diverse industrial applications. They manufacture high-quality components for aerospace systems, medical devices, automotive engines, and high-performance electronics. The company focuses on producing intricate parts tailored to exact client specifications.

sales@laube.com+18053881050

Lowrance Machine

lowrancemachine.com
Houston, TX

Based in Houston, TX, Lowrance Machine is an ISO 9001:2015 certified, family-owned machine shop with over 60 years of experience. They specialize in precision machining, custom fastener production, complex part manufacturing, and custom molds for various industries.

info@lowrancemachine.com+12814496525

Small Parts Manufacturing Co, Inc.

machiningcompany.com
Portland, OR

Based in Portland, OR, Small Parts Manufacturing Co, Inc. delivers made-to-order manufacturing services. The company specializes in precision machining solutions, serving product designers, developers, and engineers. They produce custom components for industrial B2B clients, utilizing their capabilities to meet specific project requirements.

orders@smallpartsmfg.com+15032871181

M.A.R.’s Engineering Company Inc.

marseng.com
San Leandro, CA

M.A.R.’s Engineering Company Inc. based in San Leandro, CA, manufactures screw machine products. Since 1964, they provide prototyping, manufacturing, and assembly services. Specializing in precision single and multi-spindle screw machining for complex, close-tolerance parts, their capabilities include CNC milling, turning, EDM, and centerless grinding.

info@marseng.com+15104830541

Marver Med

marvermed.com
—

Based in Stoughton, MA, Marver Med specializes in CNC Swiss screw machining, producing precision metal and plastic parts. With over 75 years of experience, the company manufactures micro-precision components for medical devices, implants, and aerospace and defense industries, consistently meeting rigorous tolerances.

inquiries@marvermed.com+17813419372

Master Precision Machining

master-precision.com
Santa Clara, CA

Based in Santa Clara, CA, Master Precision Machining provides custom products manufactured to customer designs and specifications. The company utilizes advanced KERN Pyramid Nano and Hermle 5-Axis CNC machines for precision milling and turning. They offer comprehensive services including metrology, finishing, and programming, upholding AS9100D and ISO 9001:2015 quality standards.

support@master-precision.com+14087270185

Max Precision Machine Inc.

maxprecisionmfg.com
San Jose, CA

Max Precision Machine Inc. provides advanced CNC machining services, including 5-axis milling, boring, and forming. They specialize in quick-turn prototyping and high-volume production, alongside turnkey program engineering. Capabilities extend to assembly, plating, heat treatment, and welding, serving various industries with precision manufactured components.

info@maxprecisionmfg.com+14089568986

Midway Machine

midway-machine.com
South Houston, TX

Midway Machine is a precision CNC machine shop in South Houston, TX, certified to AS9100D and ISO 9001:2015. They provide custom machined parts from prototype to production, specializing in extensive turning, milling, live tooling for high volume, and gun/BTA drilling. They serve aerospace, energy, medical, and other industries.

sales@midway-machine.com+17139471102

MM Automatic

mmautomatic.com
Jackson, MI

Based in Jackson, MI, MM Automatic is a family-owned screw machine shop. They specialize in custom screw manufactured parts, CNC milling, and CNC turning services, emphasizing rigorous quality assurance and rapid turnaround. With decades of experience, they deliver high-precision components for heavy machine, transportation, and defense industries.

sales@mmautomatic.com+15177820577

Millennium Machine & Tool

mmtinc.net
Newton, KS

Based in Newton, KS, Millennium Machine & Tool is a full-service CNC manufacturing shop specializing in Swiss screw machine services, milling, and turning. They produce small, high-precision, complex parts for aerospace, agriculture, recreation, transportation, and military industries, with 99% customer satisfaction. Additional services include polishing, assembly, and part stocking.

mmt@mmtinc.net+13162820884

Accurate Screw Machine (ASM)

mwcomponents.com
Charlotte, NC

Based in Charlotte, NC, Accurate Screw Machine (ASM) manufactures NAS, MS, AN, and custom fasteners, including screws, spacers, standoffs, and threaded inserts. The company offers over 40,000 in-stock designs with next-day shipping and provides custom precision component manufacturing from its US-based facilities.

sales@mwcomponents.com+17048370331

NTL Precision Machining, Inc.

ntlprecision.com
San Jose, CA

Based in San Jose, CA, NTL Precision Machining is a full-service manufacturing facility providing high-standard precision machining services. They utilize state-of-the-art equipment for both prototype and long-term production needs. Certified to ISO 9001:2015, NTL offers cost-effective solutions and quick turnarounds.

henryngo@ntlprecision.com+14082986650

Curvilinear Components, LLC

oneoffparts.com
San Clemente, CA

Based in San Clemente, CA, Curvilinear Components LLC is a machine shop providing prototyping and short-run production services. Utilizing a variety of CNC and manual machine tools, they assist design engineers through the development process. The company focuses on small quantity production and prides itself on flexibility and ease of collaboration.

info@oneoffparts.com+16083545989

Optima Precision

optimaprecision.com
San Jose, CA

Optima Precision is a San Jose, CA-based CNC machine shop specializing in precision machining services. They offer CNC milling and turning for complex components and high-volume production runs, maintaining tight tolerances. With a focus on quality and reliability, Optima Precision provides customized solutions for various client requirements.

sales@optimaprecision.com+14086410617

Owens Industries

owensind.com
Oak Creek, WI

Based in Oak Creek, WI, Owens Industries is a precision machine shop specializing in complex and high-accuracy machining. They offer comprehensive CNC services, including micromachining, 5-axis milling, various EDM processes, and CNC lathe/turning, for manufacturing intricate and challenging parts for industrial applications.

info@owensind.com+14147641212

Palladin Precision Products

palladin.com
Waterbury, CT

Based in Waterbury, CT, Palladin Precision Products delivers turnkey Swiss Screw Machining and part finishing. They specialize in complex small to micro-miniature parts, using CNC Swiss, Swiss Cam Automatic, and Coil Fed Escomatic methods. With 55 years of expertise, Palladin serves industries like Aerospace, Medical, Automotive, and Defense.

dean@palladin.com+12035740246

Precision Components

pcl-llc.com
Oxnard, CA

Based in Oxnard, CA, Precision Components is a family-owned company specializing in high-quality precision turned components for over 30 years. They excel at CNC Swiss-turning, achieving tight diameter tolerances. Industries served include Electrical Connectors, Aerospace, Medical, Dental, and Automotive.

info@pcl-llc.com+18054833916

Precision Manufacturing Company

pmccnc.com
Roseville, CA

Precision Manufacturing Company, based in Roseville, CA, specializes in advanced 5-axis CNC machining services. Founded by an industry veteran with over four decades of experience, the company is ISO9001 and ISO13485 certified. They also maintain CAGE 9R7F1 and NIST SP 800-171 compliance, providing high-precision manufactured components for various industrial sectors.

kelly@pmccnc.com+19166038023

Precision Metal Components

pmcincorporated.com
Anaheim, CA

Based in Anaheim, CA, Precision Metal Components manufactures high-quality, made-in-the-USA components utilizing precision CNC machines. Their skilled American engineers, programmers, and machinists produce precision metal parts at competitive prices. The company is dedicated to domestic production for various industrial applications.

contact@pmcincorporated.com+18886382589

Price Manufacturing Co.

pricemfg.com
Riverside, CA

Based in Riverside, CA, Price Manufacturing Co. specializes in precision screw machining and CNC machining services. They provide high-volume manufacturing of turned components and custom aluminum machine parts. Utilizing multi-spindle screw machining, the ISO 9001:2015 certified company serves businesses in California and Arizona.

contact@pricemfg.com+19513715660

Princeton Industrial Products, Inc.

princetonind.com
Elgin, IL

Princeton Industrial Products, Inc. based in Elgin, IL, manufactures custom precision screw machine products. They offer automatic and Swiss machining, CNC turning, milling, and secondary operations for intricate components. Serving medical, defense, and aerospace industries, the company is ISO 9001:2015 and ITAR certified.

sales@princetonind.com+18478398500

Proformance Manufacturing Inc.

proformancemfg.com
Corona, CA

Based in Corona, CA, Proformance Manufacturing Inc. manufactures precision metal and thermoplastic components. They offer CNC machining, specializing in precision turned product manufacturing (NAICS 332721). Additional capabilities include metal forming, stamping, and deep draw. AS9100D and ITAR-registered, they provide in-house tool & die services.

sales@proformancemfg.com+19512791230

Roberson Machine Company

robersontool.com
Bland, MO

Based in Bland, MO, Roberson Machine Company offers precision CNC machining services, including multi-axis milling and turning, wire EDM, and 3D printing. They handle projects from prototype to production, serving diverse industries like aerospace, automotive, medical devices, oil and energy, and electronics.

info@robersontool.com+15736463996

R.W. Screw Products, Inc.

rwscrew.com
Massillon, OH

Based in Massillon, OH, R.W. Screw Products, Inc. is a precision machine shop established in 1948. It specializes in manufacturing precision screw machine parts, offering Swiss, multi-spindle, and single-spindle machining up to 2-3/8” diameter for high precision, complex, and tight tolerance components across various production volumes.

sales@rwscrew.com+13308379211

Swiss American screw product

sasp.biz
Canton, MI

Canton, MI-based Swiss American screw product specializes in precision Swiss-type machining for parts Ø20mm and smaller. They produce prototypes to 100,000+ units using aerospace alloys and stainless steels. Serving medical, aerospace, and electronics, the company is AS9100D/ISO 9001:2015 certified.

sales@sasp.biz+17343971600

Sesco Industries

sescoindustries.com
—

Based in Philadelphia, PA, Sesco Industries manufactures military-grade socket set screws and aerospace components. Listed on the QSLM by the Defense Logistics Agency, they are approved for manufacturing screws with 3A threads. The company provides full certifications, offering standard and custom fasteners nationwide.

info@sescoindustries.com+17189391900

Shamrock Precision

shamrockprecision.com
Dallas, TX

Based in Dallas, TX, Shamrock Precision provides high-quality machining services and manufactured components. Their CNC machine shop delivers precision parts for diverse industries including oil field services, aerospace, defense, and telecommunications. Founded in 1981, they operate with a focus on on-time, never-compromised quality.

sales@shamrockprecision.com+19722414226

Southern California Precision Machining, Inc.

socalmachining.com
Anaheim, CA

Southern California Precision Machining, Inc. established in 1997, specializes in manufacturing military and commercial connectors. Based in Anaheim, CA, the company provides custom machining services for the electronic, hermetic, and communications industries.

tonynguyen@socalmachining.com+17144903602

Specialty Machine

specialtymachinelp.com
Lago Vista, TX

Based in Lago Vista, TX, Specialty Machine is an ISO9001:2015 and AS9100D certified contract manufacturer. With over 50 years of experience, they provide precision CNC machining, including CNC Swiss, welding, assembly, and testing services. The company supports the U.S. Defense & Aerospace industry and commercial partners.

info@specialtymachinelp.com+15122674944

Sterner Screw Machine

sternerscrewmachine.com
—

Sterner Screw Machine is a US-based manufacturer of high-quality screw machined fastener components. With over 40 years of experience, they operate 28+ automatic screw machines, processing 50+ metals and plastics. The company delivers rapid turn-around times and same-day quotes for volumes from 500 to 1,000,000.

sales@genesysindustries.com+19417223600

Swissomation

swissomation.com
Fredericksburg, TX

Based in Fredericksburg, TX, Swissomation is a family-owned business with over 70 years of experience. They specialize in 7+ Axis CNC Swiss Milling and Turning, offering micro-precision machining, custom processing, and assembly services. The company emphasizes uncompromising quality and comprehensive inspection for complex parts.

info@swissomation.com+18309976565

Swiss Precision Screw

swissprecisionscrew.com
Morgan Hill, CA

Swiss Precision Screw specializes in high-volume, custom Swiss screw machining, producing complex precision parts to exacting tolerances. Based in Morgan Hill, CA, the company utilizes state-of-the-art CNC Swiss-type screw machines. They serve diverse industries like medical, aerospace, defense, and high-tech, delivering quality components from prototype to production.

denise@swissprecisionscrew.com+14087783332

Swiss Screw Products

swissscrew.com
Santa Clara, CA

Based in Santa Clara, CA, Swiss Screw Products has manufactured precision metal and plastic components for Silicon Valley's Hi-Tech industries since 1969. The company specializes in producing custom screw machine products, serving various critical applications.

sales@swissscrew.com+18888408400

Top Precision LLC

top-precision.com
San Luis Obispo, CA

Based in San Luis Obispo, CA, Top Precision LLC specializes in contract manufacturing high-quality precision parts using state-of-the-art CNC milling and turning centers. They machine challenging components in lot sizes from 100 to 5,000 pieces for diverse industries like automotive, biomedical, and electronics, and are ISO 9001:2015 certified.

rfq@top-precision.com+18055482606

Trace-A-Matic

traceamatic.com
Brookfield, WI

Trace-A-Matic is a precision machine shop based in Brookfield, WI, providing full-range CNC machining services. They produce complex, intricate components from various materials like bar stock for demanding sectors including aerospace, defense, and medical equipment. Facilities are located in Wisconsin and Texas.

sales@traceamatic.com+12627977300

Walker Products

walkerproducts.com
Pacific, MO

Walker Products operates a fully furnished screw machine facility in Fruita, Colorado, providing direct screw machine products. A prominent industry player since 1968, the company offers instruction sheets and an online training center. Walker Products also focuses on sustainability and introduces new product innovations.

info@walkerproducts.com+16362571700

WCS Industries

wcsindustries.com
Muskego, WI

Based in Muskego, WI, WCS Industries provides automatic multi-spindle screw machining services, producing precision turned components from 3/16” up to 2” diameter and 6” long. The company offers a range of custom manufacturing capabilities, including springs, cold headed parts, wire forms, and leg levelers.

jvpbvy@jvpbvy.pbz+12626824711

Precision Machining & Fab

wefabmetal.com
Anaheim, CA

Precision Machining & Fab is an ISO 9001:2015, AS9100D, and ITAR-certified US-based manufacturer in Anaheim, CA. They provide extensive in-house CNC machining, sheet metal fabrication, welding, waterjet cutting, laser cutting, and assembly services. Their capabilities support complex projects for various industrial clients.

info@wefabmetal.com+18885389287

API Precision Machining Inc.

apipm.com
Dallas, TX

Based in Dallas, TX, API Precision Machining Inc. specializes in manufacturing precision parts. The company provides quality products and services through advanced machine work, catering to industrial clients requiring custom machined components and assemblies.

karen@apipm.com

FamCarr Precision

famcarr.com
Pomona, CA

Based in Pomona, CA, FamCarr Precision provides automatic screw machining for efficient mass production of components. They also offer CNC machining services for plastics and aluminum, handling projects from prototyping to high-volume production runs. Additionally, the company provides rapid prototyping through 3D printing and laser cutting/engraving.

ramon@famcarr.com

Hibshman Screw Machine Products, Inc

hibshman.com
Union, MI

Hibshman Screw Machine Products, Inc. provides ISO 9001:2015 certified high-volume, low-complexity screw machine products and precision custom machining. Based in Union, MI, they specialize in brackets and studs, serving the defense, automotive, and industrial engineering sectors. Their 30,000 sq ft facility ensures repeatable accuracy and efficiency.

sales@hibshman.com

Precision Machining Company, LLC

precisionmachiningtexas.com
Fort Worth, TX

Based in Fort Worth, TX, Precision Machining Company, LLC is a third-generation machine shop. They specialize in precision CNC Turning, Milling, and Swiss Machining, creating accurate parts to tight tolerances. Services include turnkey project support from design to assembly and outsourced production.

you.admin@precisionmachiningtexas.com

S & V Machining

sandvmachining.com
Sun Valley, CA

S & V Machining is a Sun Valley, CA-based company offering over 20 years of experience in manufacturing industrial parts. They specialize in CNC machining and CNC milling services, serving the automotive, aerospace, and general industrial sectors.

info@sandvmachining.com

Specialty Precision Machining

specialtyprecisionmachining.com
Stockton, CA

Based in Stockton, CA, Specialty Precision Machining offers high-tolerance CNC machining services, specializing in cutting, turning, threading, and reaming. With 30 years of experience, they produce hydraulic fittings, manifolds, fasteners, and spacers for diverse industries like Medical, Semiconductor, and Robotics.

sales@specialtyprecisionmachining.com

The Nut Place

thenutplace.com
Houston, TX

Based in Houston, TX, The Nut Place operates an on-site machine shop providing CNC lathe and mill work. They specialize in custom machining, offering thread cutting services and producing safety bolts, drilled heads, and threads from materials like plastics, steel, stainless steel, and Inconel.

sales@thenutplace.com

TXSwiss

txswiss.com
Conroe, TX

Based in Conroe, TX, TXSwiss provides precision Swiss CNC machining services. The company specializes in manufacturing components for critical industrial applications, serving the Oil & Gas, Aerospace, Defense, and general Industrial Equipment sectors.

support@txswiss.com

Advanced Precision Machining Inc.

advanced-precision.com
Costa Mesa, CA

Advanced Precision Machining Inc. based in Costa Mesa, CA, is an AS9100 certified, HUBZONE, EDWOSB, and Minority Owned supplier. They offer direct screw machining, CNC milling, turning, and wire EDM. Specializing in precision components, the company serves aerospace, military, medical, and dental industries.

+19496506113

Abbott Interfast, LLC

aicfast.com
Wheeling, IL

Based in Wheeling, IL, Abbott Interfast, LLC is an ISO certified and ITAR registered manufacturer and supplier. Since 1948, they produce high-precision standard and special products using automatic screw machining, CNC, cold heading, plastic molding, and stampings, primarily for North American OEMs.

+18004222688

Alco Manufacturing, LLC.

alco.com
Elyria, OH

Based in Elyria, OH, Alco Manufacturing, LLC specializes in multi-spindle screw machining for high-volume production of precision components. With over 50 years of experience, they offer extensive capabilities including CNC machining, Hydromats, Swiss machining, milling, turning, and secondary processes for diverse metals.

+14404585165

All Pins Manufacturing

allpinsmfg.com
Wilseyville, CA

Based in Wilseyville, CA, All Pins Manufacturing is a woman-owned facility specializing in micro precision Swiss Screw Machining. They utilize CNC Swiss and Escomatic coil-fed machines to produce intricate parts up to 1.00" diameter. Serving industries like Defense, Medical, and Electronics, they offer cost-effective solutions from prototype to high-volume production with in-house capabilities.

+12092937798

AmTech International

amtechinternational.com
Freehold, NJ

Based in Freehold, NJ, AmTech International specializes in high-precision screw machine parts for Tier 1 and OEM customers. ISO 9001, IATF 16949, and QS 9000 certified, they provide precision machining, casting, forging, and custom engineering. AmTech serves automotive, industrial, energy, and medical sectors with reliable, scalable component production.

+19087057600

Ashley Ward

ashleyward.com
Mason, OH

Ashley Ward, based in Mason, OH, specializes in high-volume Davenport screw machining for precision parts. They offer reliable, cost-effective multi-spindle and single-spindle screw machining solutions, along with Hydromat rotary transfer machining, CNC turning, centerless grinding, gear hobbing, and spline rolling services.

+15133981414

Bearon Manufacturing, LLC

bearonmfg.com
—

Based in Landisville, PA, Bearon Manufacturing is a screw machine shop specializing in high-volume production of screw machine parts. The company provides a range of manufacturing services including prototyping, custom machining, and casting, offering consistent quality and fast turnaround times for industrial clients.

+17178982210

B.I.C. Precision Machine Company

bicprecisionmachine.com
Blanchester, OH

B.I.C. Precision Machine Company, an ISO 9001:2015 certified job shop in Blanchester, OH, offers in-house CNC machining. Specializing in CNC Swiss turning, milling, turning, and grinding, they produce customized components from materials like stainless steel, aluminum, and brass. The company focuses on quality and on-time delivery.

+19377831406

BMW Precision Machining

bmwprecision.com
Oceanside, CA

Based in Oceanside, CA, BMW Precision Machining is an ISO 9001 certified provider of precision manufacturing services. They specialize in high-volume production, R&D prototyping, and assembly for medical, electronics, and commercial sectors. Capabilities include CNC milling, Swiss machines, and CNC lathe turning, delivering comprehensive fabrication solutions.

+17604396813

Continental Manufacturing

continental-manufacturing.com
Dallas, TX

Continental Manufacturing, based in Dallas, TX, specializes in tight tolerance machining, utilizing Swiss and multi-spindle screw machines for high-volume, close-tolerance parts. Their capabilities include 7-axis close tolerance machining, drilling, tapping, and CNC turning services for automotive, agriculture, consumer, and industrial applications.

+18005375642

Cox Manufacturing Company

coxmanufacturing.com
San Antonio, TX

Based in San Antonio, TX, Cox Manufacturing Company provides high precision, high production custom CNC screw machined parts. They offer ultra-precision and micro machining for high-volume orders, adhering to ISO 9001:2015 standards. Specializing in diverse metals and plastics, the company ensures reliable, Made in USA quality.

+18007521768

Delga Prototype Machine Shop

delgapro.com
Canoga Park, CA

Based in Canoga Park, CA, Delga Prototype Machine Shop specializes in precision machining services. They offer quick turnaround on prototypes and custom components made from various metals, including exotic materials such as Inconel and Kovar, to meet diverse project needs.

+18188870512

Dual Machine Corporation

dualmachinecorp.com
Indianapolis, IN

Dual Machine Corporation is a full-service production machining company based in Indianapolis, IN. As a contract manufacturer, they specialize in producing a wide range of custom parts and components. They offer comprehensive machining services for diverse industrial applications, serving various sectors with precision manufacturing solutions.

+13179234786

DW Products

dwproducts.com
Cedar Rapids, IA

Based in Cedar Rapids, IA, DW Products is a precision components manufacturer established in 1951. The company specializes in custom CNC machining, offering Swiss CNC screw machining and multi-spindle CNC machining. It delivers high-quality parts for diverse industries, including automotive, agriculture, and connectors.

+18663668455

EJ Basler Co.

ejbasler.com
Schiller Park, IL

EJ Basler Co. is a high-volume precision machine shop in Schiller Park, IL. They provide Swiss screw machining, multi-spindle, Hydromat, Davenport, and CNC machining services. The company specializes in custom projects, delivering high-quality, cost-effective solutions with a proven zero-defect production record.

+18476788880

East Texas Machine Works

etmworks.com
Longview, TX

Based in Longview, TX, East Texas Machine Works provides turn-key supply chain solutions. The company offers CNC machining, including milling and turning for small, medium, and large parts. With over 50 years of experience, they also provide on-site welding and fabrication.

+19037599796

Heather Screw Products Co.

heatherscrewproducts.com
Chino, CA

Heather Screw Products Co. is a family-owned manufacturer based in Chino, CA, specializing in Swiss screw machining and CNC machining services. They produce precision parts from materials like stainless steel, aluminum, brass, and plastic. The company serves diverse industries including medical, aerospace, electronics, and instrumentation, offering turning, milling, and assembly capabilities.

+19094656347

KMM Group

kmmgrp.com
—

KMM Group, based in Hatboro, PA, is a precision contract manufacturer specializing in complex, tight-tolerance components. Capabilities include Swiss screw machining, vertical machining, Wire EDM, and CNC grinding. Serving MedTech, aerospace, defense, and robotics, they provide consistent quality and predictable lead times for production.

+18884995657

M & C Precision Machining Inc

mcprecisionmachining.com
Hawthorne, CA

Based in Hawthorne, CA, M & C Precision Machining Inc. specializes in high-quality screw machine products and CNC turning. They deliver precision components with close tolerances, adhering to AS9100 standards for aerospace and defense clients. Serving Boeing, SpaceX, and NASA, the company leverages over 14 years of expertise.

+13106445605

MSM Machine Works

msmmachine.com
Houston, TX

Based in Houston, TX, MSM Machine Works specializes in precision Swiss screw machining. The company manufactures small, complex components for diverse industries, emphasizing fast turnaround times and tight tolerances to meet demanding specifications for screw machine products.

+17136369535

Oregon Screw Machine Products, Inc.

osmpi.com
Portland, OR

Oregon Screw Machine Products, Inc. is a global supplier of precision turned and milled parts, operating from a modern facility in Portland, OR. They specialize in diverse manufacturing capabilities, including CNC Swiss, CNC turning, automatic screw machining, and CNC milling. The company utilizes over 25 screw and CNC milling machines.

+15037742750

Pacific West America, Inc.

pacificwestamerica.com
Calabasas, CA

Based in Calabasas, CA, Pacific West America, Inc. specializes in precision CNC machining, including Swiss screw machining for small, intricate parts with tight tolerances. They offer high-volume production with auto bar feeders, serving the commercial electronics industry. The company also provides RF cable assemblies, connectors, and printed circuit boards.

+18663170208

Petersen Precision Engineering, LLC

petersenprecision.com
Redwood City, CA

Petersen Precision Engineering, based in Redwood City, CA, is an ISO 9001/AS9100 certified manufacturer. They specialize in high-volume, precision metal parts, offering CNC Swiss screw machining, turning, fine blanking, grinding, lapping, and Wire EDM. Ideal for complex designs requiring tight tolerances.

+16503654373

Pyle Machine Co., Inc.

pylemachine.com
Fort Worth, TX

Pyle Machine Co. Inc. based in Fort Worth, TX, has provided quality machined parts since 1984. Specializing in CNC Swiss and automatic screw machine products, the company also offers general production machining. They serve a variety of industrial clients, focusing on precision manufacturing for diverse project requirements.

+18174856011

QMP Machine

qmpmachine.com
—

Based in New Kensington, PA, QMP Machine fulfills diverse machining requirements. They offer precision turned parts for small runs and can produce high volumes of screw machine parts. The company provides reliable manufacturing solutions for industrial clients needing various components and precision parts.

+17243392360

Sheldon Precision LLC

sheldonprecision.com
Prospect, CT

Based in Prospect, CT, Sheldon Precision LLC operates advanced Swiss screw machine shops, specializing in ultra-precise Swiss screw machined parts. They leverage CNC Swiss, cam driven, and Escomatic equipment to produce complex components for medical, military, aerospace, and automotive applications. Orders range from 100 to 10 million pieces.

+12037584441

Sigma Engineered Solutions

sigmaengineeredsolutions.com
Garner, NC

Based in Garner, NC, Sigma Engineered Solutions specializes in precision Swiss CNC machining and high-volume metal stampings. They provide robust fittings, weatherproof products, and connectivity solutions like busbars and connector pins, for diverse sectors including automotive, telecom, and power industries.

+19197730011

Sr Machining Inc

srmachining.com
Norco, CA

Based in Norco, CA, SR Machining Inc offers precision CNC turning, milling, and Swiss machining for metals and engineered plastics. They provide manufacturing services for medical, aerospace, fluid handling, and industrial applications. The company's capabilities include high-tolerance production, supported by ISO 9001 and AS9100 quality certifications.

+19515209486

Standby Screw Machine Products Co.

standbyscrew.com
Berea, OH

Based in Berea, OH, Standby Screw Machine Products Co. provides high-quality precision machining services, producing made-to-order, custom components and machined parts since 1939. They specialize in manufacturing custom parts for a wide range of industries, handling both high and low volume orders to meet precise specifications.

+14402438200

Swissturn USA

swissturn.com
—

Swissturn USA is an employee-owned CNC Swiss manufacturer in Oxford, MA, specializing in precision machined components. The company provides modern Swiss screw machining services to diverse industries such as aerospace, medical, firearms, and defense. They offer innovative solutions for a wide range of custom parts and miniature fasteners.

+15089876211

Texas Machining

texas-machining.com
Gastonia, NC

Based in Gastonia, NC, Texas Machining provides CNC and manual machining services, including 5-axis capabilities. They produce custom, precision parts for prototypes, small batches, and large production runs, serving the automotive, fiber optic, food, textile, and medical industries. Their experienced team ensures high-quality components.

+17048611623

American Valmark

texascncmachining.com
Spicewood, TX

Based in Spicewood, TX, American Valmark specializes in CNC turning, milling, grinding, and metal finishing services. They handle projects from prototypes to high-volume production, offering precision CNC metal cutting and value-added solutions. This ITAR-Registered company is equipped for diverse industrial manufacturing needs.

+15122640686

TFG USA

tfgusa.com
Bingham Farms, MI

TFG USA is a custom precision screw machining company, handling tight tolerances and high-volume runs for demanding industries. They produce premium metal parts, also offering cold heading, metal stamping, fabrication, forging, aluminum die casting, and CNC machining.

+18007592658

UMW Texas

umwtexas.com
—

UMW Texas operates a streamlined CNC machine shop capable of handling both small production runs and high-volume manufacturing, with capacities exceeding 10,000 parts. The company specializes in lean manufacturing practices, providing precision machined components for various industrial applications.

+19363446115

Valley Precision, Inc.

valleyprecisioninc.net
Oakdale, CA

Based in Oakdale, CA, Valley Precision, Inc. provides multi-axis machining, CNC turning, milling, and Wire EDM, from prototypes to production. They also offer precision assemblies. Serving medical, semiconductor, energy, and defense industries, the company is ISO 9001:2015, AS9100D certified, ITAR registered, and Veteran-owned.

+12098471758

Arrow Screw Products

aspsmca.com
Santa Maria, CA

Based in Santa Maria, CA, Arrow Screw Products specializes in automatic screw machine products and CNC machining. They provide precision turned components and secondary operations using various materials including steel, brass, aluminum, and stainless steel. The company serves diverse sectors such as aerospace, medical, electronics, and automotive industries.

No contact on file

B B Automatic Inc

bbautomatic.com
South Gate, CA

Based in South Gate, CA, B B Automatic Inc. is a leading manufacturer specializing in high-quality precision automatic screw machine products and CNC machining since 1974. The company offers comprehensive services including milling, drilling, tapping, grinding, and assemblies, working with various materials like stainless steel, aluminum, brass, and plastics for diverse industrial applications.

No contact on file

DC Precision Machining

dcvalvemfg.com
Morgan Hill, CA

Based in Morgan Hill, CA, DC Precision Machining specializes in high-quality CNC machining and Swiss screw machining services. They produce custom precision components for aerospace, medical, and semiconductor industries. Offering capabilities from prototyping to high-volume production, their expertise encompasses advanced CNC milling and turning.

No contact on file

JC Gibbons

jcgibbons.com
—

Based in Michigan, JC Gibbons operates a precision machine shop specializing in custom Swiss, CNC, and Screw Machining. They deliver high-accuracy components with exceptional volume for various industrial applications. The company focuses on providing precise manufactured parts to its clients.

No contact on file

Spicer's Screw Machine Inc

spicersscrews.com
Lake Forest, CA

Based in Lake Forest, CA, Spicer's Screw Machine Inc. specializes in the production of screw machine products. They provide precision turned components and custom parts for various industrial applications, serving diverse B2B manufacturing needs.

No contact on file

Texas Contract Manufacturing Group

tcmgco.com
Austin, TX

Based in Austin, TX, Texas Contract Manufacturing Group (TCMG) delivers comprehensive precision machining services. They specialize in turnkey manufacturing, fabrication, and assembly of high-value, high-complexity, precision machined metal components. With strategic US locations, TCMG provides reliable solutions and custom tooling for diverse industrial customers.

No contact on file

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How to Choose a Company

  • Verify their specific experience and available machine capacity for your required material, such as free-machining brass, 303 stainless steel, or specific aluminum alloys, ensuring they can hold specified surface finishes without additional deburring or grinding.
  • Confirm their capability for critical features like intricate internal threading, deep hole drilling, or knurling, and inquire about their in-process metrology equipment (e.g., optical comparators, CMMs) and statistical process control (SPC) implementation for maintaining tight tolerances over long production runs.
  • For applications in regulated industries (e.g., medical devices, aerospace), insist on current ISO 13485 or AS9100 certifications, respectively, and request examples of their lot traceability systems and material test report (MTR) documentation protocols.
  • Be wary of suppliers offering significantly lower piece part pricing without transparent tooling cost breakdowns, especially for new parts, as initial tooling investments for collets, form tools, or cams are substantial and often amortized, potentially leading to hidden costs or quality compromises.

Frequently Asked Questions

When should I consider a multi-spindle screw machine over CNC turning for my components?

Multi-spindle screw machines excel in high-volume production (tens of thousands to millions) of components with moderate complexity, often featuring multiple simultaneous cutting operations from a single bar stock. They are highly efficient, leading to lower per-part costs at scale. CNC turning, while more versatile for lower volumes and larger diameters, typically processes one feature at a time, making it less economical for very high production runs unless the part complexity dictates its specific capabilities (e.g., intricate contours or very large diameters beyond typical bar stock fed machines).

What specialized material certifications are critical for screw machine products in regulated industries?

For regulated industries like aerospace or medical, simply stating a material grade isn't enough. You'll typically require complete Material Test Reports (MTRs) or Mill Certificates directly from the bar stock supplier, traceable to each batch of components. For medical devices, compliance with ISO 13485 is crucial, ensuring robust quality management for manufacturing. Aerospace components demand AS9100 certification, which focuses on rigorous quality systems, risk management, and traceability specific to the aviation, space, and defense industries, ensuring material integrity and process control.

How do I ensure consistent part quality and tight tolerances when outsourcing screw machine products?

Consistent quality starts with a robust Design for Manufacturability (DFM) review with your chosen supplier to optimize the part for screw machining processes. Emphasize their in-process inspection protocols, including statistical process control (SPC) charting, to monitor critical dimensions throughout the run, rather than relying solely on post-production inspection. Request their calibration records for metrology equipment and inquire about their tooling maintenance schedule, as worn tooling is a common culprit for tolerance drift. A supplier committed to transparency and data-driven quality control is key.

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