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Last updated: February 2026
This directory lists 124 precision turned parts manufacturers across the United States, from high-volume screw machine shops to specialized micro-machining facilities. Each entry provides insights into their unique capabilities, equipment, and certifications, aiding buyers in making informed sourcing decisions.
Buyers in this space often struggle with achieving consistent part-to-part quality, especially when dealing with sub-micron tolerances, maintaining specific surface finishes, or managing components with complex features requiring multi-axis CNC Swiss machining. Common problems include chatter marks, material deformation during cutting, or difficulty holding tight concentricity on parts with critical rotational requirements.
Suppliers in this category span a spectrum of specializations. Some excel in high-volume production using multi-spindle automatic lathes or traditional screw machines for simpler, cost-effective components. Others are niche CNC Swiss houses, focusing on extremely small, intricate parts with tight tolerances for medical devices or aerospace, often incorporating live tooling for complex features. There are also those specializing in exotic materials or comprehensive secondary operations like precision grinding, heat treatment coordination, or complex assembly.
To engage effectively, buyers should prepare fully dimensioned engineering drawings with clear GD&T callouts, material specifications (including specific alloys, tempers, and ASTM/AMS standards), projected annual volumes, and any required quality documentation such as PPAP or FAI reports. Manufacturers, in turn, expect clear communication, realistic lead times, and an understanding of the engineering effort required for precise quoting and production setup.
A significant trend in the precision turned parts sector is the increasing adoption of automation, including robotic part loading and lights-out manufacturing, to improve efficiency and consistency. There's also a growing emphasis on integrated digital quality control systems, utilizing advanced CMMs and optical inspection equipment for real-time process monitoring and detailed data collection, driven by demands for higher traceability and tighter statistical process control.
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124 companies nationwide
Based in Wallington, NJ, Aerospace Manufacturing is a vertically integrated producer of high-strength, close-tolerance aerospace fasteners. They perform all processes in-house, including hot forging, grinding, thread rolling, and machining. The company specializes in complex bolts, screws, pins, and custom built-to-print specials for OEM leaders in aviation, space flight, and defense.
Based in Chatsworth, CA, Aero Mechanism Precision Inc. offers CNC milling and turning services, leveraging over 35 years of experience in precision machining. Certified to ISO 9001:2015 and AS9100, they produce high-quality, intricate parts for short-run and large-scale industrial production.
AJ Solutions Machining, based in Fremont, CA, is an ISO Certified provider of precision CNC turning and milling services. They offer prototype and production manufacturing with close tolerance and high-precision quality. Working with diverse materials like metals and engineering plastics, they serve aerospace, pharmaceutical, and defense industries.
Based in Yorba Linda, CA, Alpha Omega Swiss, Inc. specializes in precision CNC machining and swiss screw machine manufacturing. From its 16,000 sq ft facility, the company produces high-quality components for medical, dental, aerospace, military, and electronics. They offer customized solutions and quick lead times.
American Swiss Products specializes in precision Swiss screw machining, micro-machined components, and CNC turning. They produce small, intricate parts for high-precision industries such as aerospace, medical, dental, electronics, and fiber optics. This ISO 9001:2015 certified manufacturer is based in Pittsford, NY.
Armor Contract Manufacturing provides comprehensive metalworking services, including precision turning, machining, stamping, fabrication, assembly, and finishing. Specializing in demanding projects, the company serves industrial, commercial, and military defense applications. They offer a one-stop shop approach with extensive capabilities from their facilities in the Midwest.
Based in Santa Maria, CA, Arrow Screw Products specializes in the manufacturing of precision turned parts. The company produces a range of screw products and other custom components, serving various industrial and commercial clients. They utilize their own facilities and equipment to deliver high-quality, precise parts.
Atlas Screw Machine Products Co. Inc. has manufactured quality products for over 40 years. The company provides on-time delivery at reasonable prices to a diverse clientele, from small businesses to large corporations. They offer nationwide shipping and free local delivery, specializing in precision screw machine parts.
American Turned Products, based in Fairview, PA, specializes in precision turning of high volume, highly complex components. Operating two US facilities with over 90,000 square feet, they provide contract manufacturing solutions for the Automotive, Fluid Power, and Oil & Gas industries, ensuring competitively priced, defect-free parts are delivered worldwide.
Based in Glendale Heights, IL, Avanti Engineering, Inc. manufactures precision turned parts. They specialize in high-volume CNC, multiple spindle, and CNC Swiss machining for various industries. The ISO 9001:2015 certified company processes diverse materials including steels, copper, brass, aluminum, and plastics.
Aztalan provides precision CNC turning and Swiss turning services, along with CNC milling, soldering, and brazing. Based in Lake Mills, WI, the company also offers engineering support, assembly, ultrasonic cleaning, and CMM quality control for manufactured components.
Based in Chino, CA, California Machine Specialties provides precision CNC machining services, including turning up to 14 inches in diameter and 4-axis milling. They also manufacture custom heat sinks and offer mechanical assembly services for the aerospace and defense sector. The company has over 45 years of industry experience.
Based in Blaine, MN, Challenge Machine specializes in CNC precision machining and micromachining, utilizing various machinable metals and high-performance plastics. Since 1999, they have provided services for demanding industries such as medical, aerospace, automotive, and semiconductor applications.
Based in Los Angeles, CA, Alpha Machinery & Technology Co, Inc. is a specialty parts manufacturing company providing CNC machinery services for the Aerospace, Medical, and Defense industries. With over 20 years of experience, they are ISO 9001 & AS9100 certified.
Contract Machining and Manufacturing Inc. based in Lexington, KY, provides comprehensive CNC machining services. Specializing in precision parts, their capabilities include production machining, large diameter turning, facing, grinding, welding, and fabrication. They serve B2B customers across automotive, heavy truck, HVAC, mining, and drilling industries, emphasizing high accuracy and dependable delivery.
Based in New Britain, CT, Creed Monarch provides custom multi-spindle CNC turning services. They deliver high-volume efficiency for custom prototype and production jobs, manufacturing precision turned parts. With ISO 9001:2015 certification, the company ensures quality components for various industrial applications.
Custom Machining Corporation, based in Englewood, CO, provides contract manufacturing and machining services, including in-house engineering, machining, inspection, and assembly. They build high-speed automation machinery and supply rotary end liners for the canning industry. The company serves Fortune 500 and hi-tech manufacturers, prioritizing quality and customer satisfaction.
Based in Chatsworth, CA, DeKING Precision, Inc. manufactures custom, made-to-print, precision machined products. With over 60 years experience, they supply quality components for aerospace, defense, automotive, medical, and electronics industries. The company is AS9100, ISO 9001, and ITAR compliant, ensuring high-quality and precise manufacturing processes.
Based in Winsted, CT, Fairchild Precision Parts specializes in manufacturing high-precision components using advanced Swiss turning and CNC turning & milling. They produce a range of custom parts including fittings, adapters, housings, and shafts. Serving demanding industries such as aerospace, defense, and fluid control, the company delivers tight tolerances for critical applications.
Based in Cerritos, CA, Fledge Machine Shop Inc. specializes in precision CNC machining services, including metal and plastic milling and turning. They produce custom parts and handle high-volume production with a focus on reliability and accuracy. The company serves diverse industries such as aerospace, commercial, and industrial manufacturing.
Based in Cleveland, OH, Freeway Corporation is a family-owned manufacturer with over 80 years of experience. Specializing in precision turned components and machined parts, they leverage CNC expertise and an in-house tool shop. Serving diverse industries, Freeway is ISO 9001:2015 and IATF 16949:2016 certified.
G&C Precision Swiss Machine, based in Norco, CA, specializes in precise Swiss machining and CNC turning/milling. The ISO 9001:2015 certified company produces medical screws, implants, shafts, bushings, and custom precision components. They offer micromachining, second operations, and value-added services like heat treating and plating.
Micro Precision Components, Inc. based in Bloomfield, NY, specializes in high precision machining, including Swiss screw machining and CNC machining services. They produce miniature, tight-tolerance components, offering multi-spindle machining, centerless grinding, and high surface finishing for industry customers.
Based in Bloomington, IN, Griner Engineering, Inc. manufactures precision turned parts using advanced processes including Rotary Transfer, Hydromat, Multiple Spindle Screw, CNC, and Swiss machines. They specialize in components for sensor bodies, fluid handling, mechanical assemblies, and various heavy equipment industries.
Based in Smithfield, RI, Groov-Pin Corporation manufactures high-end, close-tolerance precision turned components ranging from 0.030” to 2.50” in diameter. They produce complex parts in large quantities, offering precise thread integrity, tight tolerances, and fine finishes. Certified to AS9100 and ISO 9001, the company serves industries like automotive and aerospace with reliable screw machine parts.
Based in Wood Village, OR, Grovtec Machining specializes in micro machining complex and precision parts. Operating from its Oregon machine shop, the company manufactures high-tolerance products for various industrial clients, focusing on delivering custom-machined components with stringent quality standards.
Hall Industries, Inc. based in Ellwood City, PA, specializes in contract machining and fabrication services. Utilizing state-of-the-art machining centers, they manufacture a diverse array of products for various industries, including aviation ground support and infrastructure. The company also provides custom-engineered solutions.
Heshel Machine Co. located in Richmond, CA, provides precision machining services, leveraging advanced 5-axis capabilities to produce complex and precise parts. The company offers design for manufacturing (DFM) consultation and serves industries including aerospace, robotics, medical, and scientific sectors, focusing on quick turnaround times.
Based in Hartsville, SC, Hogge Precision Parts Co. Inc. is an ISO 9001:2015 QMS registered contract manufacturer. They specialize in precision CNC turning, milling, and Swiss screw machining. The company produces complex components with tolerances down to.0005 inches for the aerospace, biomedical, defense, and telecommunications industries.
Based in Reed City, MI, H & R Screw Machine Products, Inc. is a custom manufacturer of precision machined components. The company specializes in screw machine components, CNC, and Swiss CNC machining, working with materials such as brass, bronze, steel, stainless steel, and aluminum.
Based in Hayward, CA, IMT Precision is an ISO 9001:2015 certified contract manufacturer specializing in precision CNC machining. They offer comprehensive services, including CNC turning, milling, multi-axis machining, EDM, and grinding. The company produces complex components and assemblies for diverse industrial customers requiring high-tolerance parts.
Based in Menifee, CA, In-House CNC Service specializes in precision CNC machining, including milling and turning. They offer comprehensive prototype and production machining for complex parts and assemblies, serving diverse industrial and commercial clients. The company delivers high-quality custom components with a focus on precision and efficiency.
Based in Glendale, CA, LA CNC Inc offers precision CNC machining, turning, and milling services. They specialize in fast, high-volume production for complex turned parts across various metals and shapes. The company also handles short runs, rush orders, and assembly, leveraging over 30 years of experience in the Los Angeles county.
Based in Dover, DE, MagWorks LLC specializes in precision machining services for critical industries. They provide precision components for aerospace, medical devices, defense, automotive, oil & gas, and semiconductor sectors. Capabilities include micromachining and solutions for robotics and drones.
Based in Northridge, CA, Maroney Company, LLC provides ultra-precision machining services, including Electrical Discharge Machining, precision turning (lathe work), milling, grinding, honing, and lapping. Established in 1955, the company handles complex projects from concept to completion, serving demanding industries. Maroney Company is AS9100, ISO 9001 certified, and ITAR registered.
Based in Bethlehem, PA, Micro Tool Company offers high-precision CNC turning services for component parts. They manufacture custom parts up to 17 inches in diameter and 24 inches long, serving industrial customers who require precise, tight-tolerance machined components.
Based in Gilberts, IL, Midwest Turned Products manufactures close tolerance, precision machined components. They utilize advanced CNC milling, turning, and Swiss screw machining, operating a 24/7 lights-out facility. The company provides value-added services, including design for manufacture and assembly, ensuring client requirements are met efficiently.
Based in Jackson, MI, M&M Automatic is a family-owned precision turned parts manufacturer established in 1990. They offer extensive CNC turning, screw machining, and CNC milling services. Serving diverse industrial customers, they provide rigorous quality assurance and rapid turnaround for high-precision components.
Based in Rockford, IL, Modern Group specializes in custom machining services, including CNC machining and precision lathe turning for diverse parts. With over 100 years of engineering experience, they also offer high volume tube fabrication and custom forged parts manufacturing, partnering to develop quality industrial solutions.
Based in Santa Fe Springs, CA, MACHINE PRECISION COMPONENTS is an aerospace manufacturer specializing in hydraulic fittings and other precision components. They operate under ISO 9001:2015 and AS9100D certifications, employing rigorous in-process and final inspections to ensure product quality.
MultiSource Manufacturing provides precision CNC machining services, including CNC turning, Swiss machining, and complex grinding. They produce intricate parts with tight tolerances for medical, aerospace, defense, and semiconductor industries, alongside Wire EDM, assembly, and secondary processes.
MW Components manufactures custom machined parts and precision components from over 20 US facilities. Specializing in springs, fasteners, bellows, shims, and wire forms, they offer custom solutions and over 40,000 in-stock designs. The company provides fast quotes, engineering assistance, and efficient shipping for various industrial applications.
Based in Schaumburg, IL, National Bolt & Nut Corporation manufactures precision-machined fasteners and high-quality CNC turned parts. The company offers custom bolts, nuts, and washers for diverse industrial applications. They serve sectors such as heavy equipment, mining, transportation, the automotive industry, and alternative energy.
NE-XT USA is an AS9100D certified manufacturer specializing in complex, high-quality precision-machined components and assemblies. They offer extensive CNC machining services, including multi-axis and CNC turning. Serving critical applications for aerospace, defense, power generation, and space markets, NE-XT USA delivers reliable parts.
Based in Elk Grove, CA, Nominal Machining LLC is a machine shop specializing in precision CNC machining of plastic and stainless steel parts. They operate advanced 3-axis and 5-axis mills, alongside a Haas ST20Y Live Tooling Lathe for manufacturing precision turned components, ensuring quality with a Zeiss Contura CMM.
Based in Oak Creek, WI, Owens Industries is a precision machine shop offering advanced CNC services, including micromachining, 5-axis milling, Sinker EDM, Wire EDM, and CNC lathe/turning. They specialize in complex, high-accuracy machining to achieve challenging specifications for clients across the United States.
Based in Hillsdale, MI, Paragon Metals specializes in precision CNC turning, capable of holding tight tolerances down to 13 microns. The company serves as a global supplier of machined components, leveraging vertically-integrated operations. They also provide comprehensive CNC milling, assembly, and engineering solutions to meet aggressive budgets.
Precision Components, based in Oxnard, CA, manufactures high-quality precision turned components. They specialize in CNC Swiss-turning using Tornos Deco CNC machines, achieving diameter tolerances down to ±.0002″. With over 30 years of experience, they serve demanding industries like Aerospace, Medical, Dental, and Automotive.
Based in Oceanside, CA, Performance CNC, Inc. manufactures precision components and assemblies. With decades of precision machining expertise, they handle high-volume and prototype contracts for diverse sectors. Key industries served include Medical, DoD, Aerospace, Automotive, and Robotics. They also offer design for manufacturing (DFM) and consulting.
Based in Concord, NC, Piedmont Machine & Mfg specializes in high precision CNC machining, including Swiss and screw type machining. They produce small-diameter components with complex geometries and supply OEM parts, offering machining and assembly services.
Based in Roseville, CA, Precision Manufacturing Company specializes in 5-Axis CNC machining services, delivering precision turned parts. Certified ISO9001, ISO13485, and NIST SP 800-171 compliant, they serve industries demanding high-precision components, leveraging over four decades of industry experience.
Based in Anaheim, CA, Precision Metal Components manufactures high-quality components using precision CNC machines. The company leverages skilled American engineers and machinists to produce parts entirely in the U.S.A. emphasizing quality and competitive pricing. They provide a reliable source for precision metal components.
Based in Milford, CT, Precision Metal Products specializes in precision turned parts manufacturing. They employ 6-axis turning centers with twin spindle and twin turret capabilities for complex, tight-tolerance components. Their services include CNC-Turning, CNC-Swiss, Wire EDM, and rapid prototyping, serving the micro electronics and medical industries.
Based in Yorba Linda, CA, Precise Aerospace Manufacturing provides specialized solutions for the aerospace industry. The company offers diverse manufacturing capabilities, producing precision components tailored to meet the rigorous demands of aerospace clients. They focus on delivering high-quality, engineered parts for complex applications within the sector.
Based in Anaheim, CA, Precision Machining & Fab provides comprehensive precision machining and fabrication services. The company specializes in advanced CNC turning, offering multi-axis and Swiss machining. They also provide 3 to 5-axis CNC milling and serve critical industries including aerospace, medical, automotive, and defense.
Based in Richmond, VA, Precision Machine Company, Inc. manufactures custom-made machined parts, specializing in prototype and small quantity production. Founded in 1959, they provide precision CNC and conventional turning, milling, grinding, welding, and balancing services, meeting ISO-9002 standards for quality.
Precision One Medical, based in Oceanside, CA, is a medical device contract manufacturer. They specialize in precision machining, offering Swiss turning and multi-axis milling for complex components and sub-assemblies. The company serves leading medical device firms with advanced turning capabilities for their critical parts.
Based in Corona, CA, Proformance Manufacturing Inc is a 3rd generation contract manufacturer specializing in custom precision metal and thermoplastic components. They offer extensive capabilities including CNC machining, precision turned products, metal stamping, deep draw, and spin forming. With over 35 years of experience, the company is ISO 9001:2015 and AS9100D certified.
Based in Contoocook, NH, Prototek provides precision CNC turning services to create cylindrical parts for diverse industries, including automotive, aerospace, and medical. They offer comprehensive digital manufacturing solutions, from prototyping to production, alongside 3D printing, CNC milling, and sheet metal fabrication. The company holds ISO 9001:2015 and AS9100D certifications.
Based in St. Louis, MO, Quality Screw Machine Products, Inc. specializes in medium-to-high-volume component manufacturing. They utilize multiple-spindle machines and Swiss turning to produce complex, high-precision turned parts with tight tolerances. The company serves diverse industries including automotive, aerospace, medical, and electronics.
Based in Santa Ana, CA, Ricaurte Precision Inc. is a CNC machine shop specializing in precision Swiss machining and complex parts. They expertly machine components from difficult-to-machine metals and plastics, like Inconel and PEEK, for defense, medical, space, automotive, and aerospace manufacturers.
Based in Irwindale, CA, Rite-On Screw Products, Inc. manufactures custom precision screw machine products and turned parts. They specialize in Swiss CNC machining, CNC turning, and multi-spindle screw machining using materials such as brass, aluminum, and stainless steel, serving industries including aerospace, medical, and defense.
Based in Littleton, CO, Rotaloc designs and manufactures custom metal and plastic components. They specialize in CNC turning and machining, offering additional processes like stamping, casting, and forging. Serving industrial partners, they produce specialty fasteners and inserts for automotive, transportation, and agricultural applications.
Based in Farmingdale, NY, RS Precision Industries, Inc. provides advanced CNC machining services, including integrated turning, milling, wire EDM, and grinding. They specialize in complex geometries and exotic alloys with tight tolerances for mission-critical aerospace, defense, spacecraft, and medical applications.
Based in Elk Grove Village, IL, Swiss Machining Expertise LLC provides high-precision manufacturing and engineering solutions using advanced CNC Swiss machining centers. They specialize in ultra-high tolerance parts with complex geometries, offering turnkey capabilities including assembly and secondary services. Certified to ISO 9001:2015 and AS9100D.
Based in Anaheim, CA, Southern California Precision Machining, Inc. specializes in manufacturing custom military and commercial connectors. Established in 1997, the company provides comprehensive machining services for the electronic, hermetic, and communications industries, meeting diverse custom machining needs.
Based in Livermore, CA, Swiss Precision Manufacturing specializes in producing high-quality precision machined components from blueprints, electronic files, or sample parts. The company works with various metals, alloys, and plastics, ensuring customer satisfaction with accurate and cost-effective parts delivered according to deadlines. They have been manufacturing high-end products since 2010.
Based in Redwood City, CA, Steele Precision Machining offers a range of precision manufacturing services. Their capabilities include rapid prototyping, custom design, and the production of large batch parts. The company utilizes CNC machining and CAD design to deliver tailored solutions for various projects.
Based in Milwaukee, WI, Stratus Industries provides comprehensive contract manufacturing services. They specialize in long-run and short-run production, offering metal and plastic machining, including CNC turning and milling. Their capabilities extend to laser engraving, welding, assembly, and fulfillment, serving diverse industries with tailored manufacturing solutions.
Based in Denver, CO, Summit CNC is an AS9100D and ISO 9001:2015 certified machine shop. They specialize in high-precision CNC machining and mechanical assembly services for critical industries like aerospace, defense, and medical. Summit CNC expertly handles complex parts, achieving tolerances to ±0.0001 with fast lead times for low to high volume production.
Based in Fremont, CA, Superior Precision Machining, LLC offers comprehensive CNC machining services. They utilize 3, 4, and 5-axis capabilities for complex geometries, prototypes, and assemblies, supporting high-volume and limited production. ISO 9001:2015 certified, they deliver precision parts for industries like medical devices, ensuring quality.
Based in Anaheim, CA, Swiss Machine Products, Inc. is a family-owned, ISO 9001 and 13485 certified machine shop. Founded in 1959, they produce high precision turned and machined parts using CNC lathes, mills, and Swiss-style machine tools. They serve aerospace, medical, automotive, and commercial applications, specializing in high tolerance production runs.
Based in Fredericksburg, TX, Swissomation is a family-owned business with over 70 years of experience in micro-precision Swiss CNC machining. They specialize in 7+ Axis CNC Swiss milling and turning services for delicate, small parts, achieving tolerances down to +/-.0001. The company prioritizes exceptional quality, utilizing advanced inspection systems.
Based in Norco, CA, SwissPros is an industrial manufacturer with 25 years of experience. They provide reliable precision components for aerospace, defense, and automotive sectors. Specializing in products like industrial shafts, helical gears, gear couplings, and marine bearings, the company demonstrates strong precision turning and manufacturing capabilities.
Based in Santa Clara, CA, Swiss Screw Products has been providing precision machining services since 1969. The company specializes in manufacturing metal and plastic parts for Silicon Valley's Hi-Tech industries, offering expertise in precision-turned components and related services.
Based in Delavan, WI, Swiss-Tech, LLC manufactures custom, precision Swiss machined components, providing CNC milling and turning services. They work with diverse materials for various industries, offering prototype cell capabilities. The company holds ISO 9001:2015, AS 9100D, and ISO 13485 quality certifications.
SYD Precision Manufacturing, based in Hayward, CA, specializes in CNC precision machining, turning, and 4-axis machining. They provide rapid prototyping and glass-filled plastic machining. With state-of-the-art Fanuc equipment, the company delivers quick quotes and fast turnaround for precision components across the Bay Area.
Based in Brookfield, WI, Trace-A-Matic Corporation is a precision machine shop with facilities in Wisconsin and Texas. They specialize in CNC machined parts and complex, intricate components from standard and exotic metals, meeting critical tolerances. Serving diverse markets including aerospace, automotive, defense, and medical equipment.
Based in Cleveland, OH, TTH manufactures ISO and ITAR certified plastic and metal machined parts. They offer high-speed milling, turning, and 5-axis CNC machining services, focusing on producing components efficiently for various industrial clients.
Turret Lathe Specialists Inc. is a full-service CNC machine shop in Anaheim, CA, specializing in precision machining. They offer comprehensive CNC turning, milling, and grinding capabilities, providing high-quality precision turned parts and turnkey manufacturing solutions for various industrial applications.
Based in Huntington Beach, CA, Universal Machine Shop provides comprehensive CNC machining services. They specialize in precision turning, milling, rapid prototyping, and tool & fixture design, partnering with clients from prototype development through final production to craft parts to exact specifications.
Based in Jacksonville, FL, US Machine & Tool specializes in precision machining services, including CNC turning, Swiss machining, milling, and wire EDM. They produce high-quality components from prototype to final product. The company serves critical industries like medical, aerospace, and defense.
Based in Riverside, CA, U.S. Precision provides advanced CNC manufacturing services, specializing in small- to medium-sized parts with precision tolerances. Capabilities include 3- and 4-axis CNC machining, milling, laser cutting, metal forming, and welding. They serve aerospace, defense, medical, and electronics industries.
Based in Champaign, IL, Wagner Machine Co. is a precision turned parts manufacturer, offering CNC and Swiss turning for complex components up to 1.25 inches. Capabilities include 5-axis milling, abrasive waterjet, and wire EDM. They are ISO 9001:2015, AS9100D, and ITAR certified, handling prototype to high-volume production.
WCM Manufacturing, based in Cypress, CA, operates a full-service precision CNC machine shop. Since 1995, the company has manufactured complex machined components and electro-mechanical assemblies for various sectors. They provide advanced technology in precision manufacturing, serving the Aerospace, Defense, Medical, and Commercial industries.
Based in Muskego, WI, WCS Industries manufactures a wide variety of screw machined parts and offers comprehensive screw machining services. They specialize in producing precision components, including compression, extension, and torsion springs, cold-headed parts, and wire forms, with engineering support for design.
Based in Pacoima, CA, American CNC Inc. specializes in prototype, short-run, and high-volume precision machined components. This full-service manufacturer offers comprehensive machining services, including 4 and 5-axis milling, turning, grinding, and lapping. They serve demanding industries such as aerospace, defense, medical, and oil & gas.
HPPI provides precision CNC milling and turning services, including traditional, Swiss, and mill-turn capabilities, for low to high volume production. Leveraging automation and lights-out equipment, they serve Aerospace, Medical Device, Biotechnology, and Scientific Instrument industries. The company is ISO 13485, AS9100, ITAR, and FDA certified.
Based in Stockton, CA, Specialty Precision Machining is a high-tolerance CNC machine shop with 30 years of experience. They offer cutting, turning, threading, reaming, and internal threading for components like fittings, manifolds, and fasteners. Serving diverse industries such as Medical, Semiconductor, and Oil & Gas, they also manage outside services including heat treatment and plating.
Based in San Bernardino, CA, U.S. Swiss, Inc. is an ISO 9001 and ITAR registered manufacturer specializing in precision Swiss CNC machined parts. Since 1968, they offer 7-axis Swiss CNC machining with live tooling for components up to 5/8″ capacity, serving military, medical, aerospace, and dental sectors.
Based in Brentwood, NY, Thuro Metal Products, Inc. specializes in zero-defect, mission-critical custom precision metal parts and assemblies. They provide CNC turning, milling, precision assembly, and screw machining services. The company is ISO 9001:2015 and AS9100D certified, serving aerospace, defense, automotive, and industrial sectors across the USA.
Based in Bloomingdale, GA, Aerotech Machining, Inc. manufactures customized, high-precision parts using state-of-the-art CNC machining, including turning services, waterjet cutting, and assembly. They provide cutting-edge solutions for projects in aerospace, power generation, agriculture, and railway industries.
Based in Wheeling, IL, Abbott Interfast, LLC is an ISO certified and ITAR registered manufacturer of precision turned parts. They produce standard and special products using automatic screw machines and CNC machining services, primarily serving the North American OEM market.
Alco Manufacturing, LLC. based in Elyria, OH, is a precision machine shop with over 50 years of experience. They specialize in custom turned parts and components from steel, stainless steel, brass, and aluminum. Capabilities include multi-spindle screw machining, Swiss machining, hydromats, and CNC milling/turning.
Based in Ephrata, PA, Astro Machine Works provides precision machining and custom manufacturing solutions, specializing in CNC and 5-axis machining. They deliver high-quality precision parts with tight tolerances for demanding industries such as aerospace, automotive, and medical.
Atlas provides comprehensive machine shop and compressed air solutions for industrial clients. Their machine shop services include manufacturing, repair, and rebuilds for various industrial machinery. They utilize diverse equipment to produce precision turned parts from materials such as aluminum, carbon steel, brass, and stainless steel.
Based in Exeter, NH, C/A Design, Inc. is a precision turned parts manufacturer utilizing state-of-the-art twin-spindle, twin-turret, multi-axis, automated CNC lathes. The company specializes in producing engineered rugged and embedded cooling solutions, as well as mission-critical components for the Aerospace and Defense sector.
Based in Dallas, TX, Continental Manufacturing offers precision CNC Swiss machining and advanced CNC turning services for high-precision lathe parts. Their multi-spindle screw machining shop delivers high-volume and close-tolerance components. They serve medical, aerospace, automotive, and industrial applications.
Based in San Antonio, TX, Cox Manufacturing specializes in ultra-precision and micro machining for made-to-spec CNC screw machine products. They efficiently handle high volume orders, working with diverse materials including various alloys, aluminum, brass, copper, stainless steel, titanium, and plastics, ensuring reliable, high-quality parts.
DP Precision is a CNC machine shop based in Mountain View, CA, specializing in precision CNC machining services. The company offers comprehensive capabilities including CNC milling and CNC turning for complex parts and components. They provide both prototyping and production machining solutions for various industrial applications.
Based in Tinley Park, IL, DW Ram specializes in ultra-precise CNC machined medical parts. They offer comprehensive custom CNC manufacturing, welding, fabricating, prototyping, and reverse engineering services. With over 35 years experience, the company provides precision solutions for diverse industrial requirements.
Based in Schiller Park, IL, EJ Basler Co. is a high-volume precision machine shop. They specialize in CNC Swiss machining, Swiss screw machining, Hydromat, Davenport, and multi-spindle machining services. The company produces millions of precision machined parts, demonstrating a strong commitment to quality and zero defects.
Based in Mahwah, NJ, eMachineShop provides custom manufacturing services, specializing in precision CNC milling and turning for metal and plastic parts. They offer solutions for prototypes and full production runs using over 50 material options. Additional capabilities include sheet metal fabrication, injection molding, and 3D printing, alongside various surface finishing processes.
Based in Attleboro, MA, Empire Group USA, Inc. specializes in producing mission-critical CNC turned parts. They provide high-quality, low-volume manufacturing solutions for aerospace, automotive, defense, and medical applications. In-house capabilities include CNC machining, 3D printing, prototyping, painting, and sheet metal fabrication.
Forster Tool & Manufacturing, based in Bensenville, IL, specializes in producing custom CNC precision turned parts. They manufacture high-quality components efficiently, providing quick turnaround times based on customer drawings. The company serves industrial clients seeking reliable turned part solutions for diverse applications.
Based in Keene, NH, G.S. Precision manufactures precision turned parts and complex components using advanced CNC Swiss multi-axis lathes and 5-Axis machining centers. They are a tier-one supplier for commercial and military aircraft, defense systems, aerostructure, and optical device industries.
Based in Thornton, CO, Intrex Aerospace specializes in precision CNC machining for aerospace, defense, and space. The company offers custom-engineered precision turning services utilizing multi-axis turn/mill lathes and advanced equipment, delivering high-quality components. They are AS9100 and ISO 9001:2000 certified.
Based in Ogden, UT, JD Machine Corp. provides precision machining and CNC turning services. The company specializes in manufacturing complex parts, offering advanced CNC milling, sheet metal fabrication, and comprehensive assembly and testing. They utilize certified machinists and modern equipment.
Based in Hawthorne, CA, M & C Precision Machining Inc. specializes in high-quality, close tolerance turned and machined parts. Adhering to AS9100 standards, they serve demanding aerospace and defense clients including Boeing, SpaceX, and NASA. The company utilizes advanced turning centers like Omniturns and Mazak Quick Turns for precise production.
Based in Clearwater, FL, MSP Industries, LLC specializes in American-made ultra-precise CNC machining for complex parts at high volumes. They offer CNC turning, multi-spindle, and Swiss machining, serving industries like aerospace, defense, automotive, hydraulics, and medical with ISO 9001:2015 certified quality.
Based in Portland, Oregon, Oregon Screw Machine Products, Inc. is a global supplier of precision turned and milled parts. They offer extensive manufacturing capabilities, including CNC Swiss, CNC turning, automatic screw, and CNC milling machining. The company operates over 25 screw machines and CNC milling machines in its modern facility.
Based in Calabasas, CA, Pacific West America, Inc. offers 28 years of manufacturing experience. They specialize in high-precision CNC machining, utilizing 5-axis mills, 5-axis lathes, and Swiss screw machines. The company produces small, intricate screw machined parts, including fine threads, knurling, and slots, for electronics applications.
Petersen Precision, an ISO 9001/AS9100 certified manufacturer in Redwood City, CA, specializes in precision turned metal parts. They utilize CNC Swiss screw machines and lathes for complex, high-tolerance components. Offering turnkey manufacturing, Petersen supports prototype to high-volume production for various industries.
Based in Portland, OR, Portland Precision Manufacturing specializes in high-precision CNC machining and turning technology. They produce custom, tight-tolerance prototypes and production parts from diverse materials, serving critical industries such as electronics, medical, aerospace, and defense. The company is AS9100D & ISO 9001-2015 Certified.
Precision Turning specializes in crafting intricate metal designs using advanced CNC machines. The company also offers manual turning capabilities for handling larger capacities, shaping metal with precision. They aim to transform client visions into reality through their manufacturing expertise.
Based in West Chicago, IL, Screw Machine Companies is a precision turned parts manufacturer. They specialize in Swiss screw machining, stampings, and other custom precision components. The company also operates an electronics division, producing products such as cable assemblies for various industrial applications.
Based in Norco, CA, SR Machining provides comprehensive in-house CNC machining services, including precision turned manufacturing, CNC turning, and Swiss machining. They produce precise components for medical, aerospace, and industrial sectors, working with diverse plastics and metals. The company is ISO 9001 and AS9100 certified.
Based in Oxford, MA, Swissturn USA is an employee-owned CNC Swiss job shop specializing in precision machined components. They operate a modern Swiss screw machine manufacturing center, providing micromachining, custom fasteners, and centerless grinding. Swissturn serves industries such as aerospace, medical, firearms, defense, and electrical connectors.
Toolcraft Machining, Inc. specializes in precision CNC machining, offering vertical and horizontal turning, milling, and 5-axis capabilities. It provides solutions for complex aerospace parts, utilizing experienced machinists and advanced equipment. The company ensures high-quality, ISO 9001 certified results for challenging machining needs.
Based in Schaumburg, IL, MISUMI offers custom part and component manufacturing services. Clients can upload 2D drawings or modify catalog items for an exact fit, leveraging their extensive industrial component expertise. They provide configurable and custom-made solutions across various industries, utilizing direct manufacturing capabilities.
Based in Waterbury, CT, The Waterbury Screw Machine Products Company manufactures ISO 9001:2015 certified, high-precision turned and machined parts. Operating a Davenport screw machine shop, they specialize in electronic components, heavy-duty valves, bushings, and various fittings. They provide high-volume production, fulfilling orders from 100 to over a million pieces.
ALIGN PRECISION manufactures tight-tolerance parts and assemblies for OEMs in aerospace, defense, semiconductor, and evolving high-tech industries. Specializing in precision machining of hard metals, aluminums, alloys, and exotic materials, the company produces structural components and subassemblies. Their expertise ensures exacting standards for demanding applications.
Based in Long Beach, CA, Custom Machining & Fabrication provides precision machining services. They specialize in high-precision CNC turning for cylindrical components, multi-axis turning for intricate geometries, and manual turning for prototypes. Capabilities include CNC milling, broaching, and handling large or small batch production efficiently.
Based in Morgan Hill, CA, DC Precision Machining is a manufacturer specializing in precision turned parts and custom CNC machined components. They offer high-tolerance machining capabilities for complex geometries, serving diverse industrial and commercial sectors. The company is dedicated to producing reliable, high-quality components with advanced manufacturing processes.
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CNC Swiss machining uses a 'sliding headstock' design where the workpiece feeds through a guide bushing, providing exceptional rigidity right at the cutting point. This allows for extremely tight tolerances, high concentricity, and intricate features on small-diameter parts (typically up to 1.5 inches) that would be difficult or impossible on a conventional CNC lathe due to tool deflection and vibration.
Specify surface finish using roughness average (Ra) or maximum peak-to-valley height (Rz) on your drawing. Ra is the most common, but Rz is better for critical sealing surfaces or specific wear applications. Achieving finer finishes (lower Ra values, e.g., < 16 microinches) often requires specialized tooling, slower feed rates, and sometimes secondary processes like burnishing or grinding, which can significantly increase cycle time and cost. Always specify the minimum necessary finish.
Multi-spindle automatics are ideal for extremely high-volume production (hundreds of thousands to millions of parts annually) of less complex components that require minimal tool changes. They machine multiple parts simultaneously, drastically reducing cycle time per part and offering lower unit costs. However, they have higher setup costs and are less flexible for design changes or lower volumes compared to single-spindle CNC machines.
For turned parts, critical GD&T callouts often include Concentricity, Cylindricity, Perpendicularity, and Runout, especially for components that rotate or interface with other precise assemblies. Suppliers verify these using a combination of methods: CMMs (Coordinate Measuring Machines) for complex geometries, optical comparators, specialized gauges, and sometimes dedicated functional gauges built to simulate mating components. Discuss their specific measurement strategy during supplier evaluation.
Yes, many precision turned parts manufacturers specialize in exotic materials like Inconel, Titanium, Hastelloy, and medical-grade stainless steels. The challenges include their inherent hardness, tendency to work harden rapidly, poor thermal conductivity (leading to high tool wear), and gummy characteristics. This requires specific tooling materials (e.g., ceramic or specialized carbide inserts), lower cutting speeds, precise coolant delivery, and specialized machine rigidity, all of which contribute to higher manufacturing costs and longer cycle times.
A top-tier precision turned parts supplier should offer proactive DFM collaboration early in the design cycle, well before quoting. This involves reviewing your part geometry, tolerances, and material choices to suggest modifications that simplify machining, reduce costs, improve manufacturability, and potentially enhance performance. They might recommend adjusting radii, combining features, or optimizing material selection to achieve your functional requirements more efficiently.