12197 verified suppliers listed

Steel CNC Machining Shops — Carbon & Alloy Steel Parts

Carbon and alloy steels are workhorses of the machining world, offering a broad range of hardness, toughness, and cost options. CNC shops machine steel grades such as 1018, 4140, and 4340 for shafts, gears, tooling, and heavy structural parts where strength is paramount.

Typical Uses

  • Shafts and gears
  • Tooling and fixtures
  • Structural machine components
  • Agricultural and construction equipment parts
Maryville, Missouri

413 Machining provides custom precision CNC machined products for various commercial and government markets. We have the capabilities to manufacture custom parts that require the tightest tolerances from materials such as aluminum, steel, brass, copper, a

+1 660-373-2124Website
South Plainfield, New Jersey5.0

provide prototype-to-production CNC machining services of stainless steels, aluminum, tool steels, plastics, exotics, and more. We have manufacturing experience in industries such as Aerospace and Defense, Medical Device, Pharmaceutical, Molds, Tool and Die, Automotive, and Plastic Extrusion. With our fully 3D CAD/CAM system, we can mill and turn complex components. We are able to accept and produce a large variety of translation files and we can import SolidWorks and Autocad files directly.

+1 908-561-8875Website
Bensenville, Illinois5.0(3)

Ace Metal Crafts provides stainless steel fabrication, precision machining, and contract assembly services for food, pharmaceutical, packaging, and industrial applications. Our teams combine disciplined engineering, skilled craftsmanship, and collaborative processes to deliver reliable results.

+1 630-350-7550Website
Troy, Michigan5.0

Acromatic Deep Hole Drilling's deep hole drilling services are perfect for stainless steel, copper, and industrial-grade steel. Call now.

+1 248-680-1222Website
Santa Clarita, California5.0(2)

CNC Machining 5Axis Machine Shop Aerospace Valencia Aluminum Plastic titanium inconel alloy Steel Cast iron brass copper Lockheed Martin Woodward HRT Raytheon NASA JPL SpaceX Boeing Tesla Molds Short Run Production Precision Fixtures Rapid Prototyping Santa Clarita 28220 Avenue Crocker Haas milling lath turning made in usa

+1 661-523-2260Website
Sunnyvale, California

CNC machining for semiconductor equipment. Ultra-clean machining of aluminum and stainless steel. ISO 9001 certified.

(408) 727-1500
Kutztown, Pennsylvania2.3(10)

Our custom machine shop specializes in producing plastic, aluminum, steel & titanium parts made to industry specifications with quality results.

+1 610-972-0052Website
Trappe, Maryland

We offer high performance engine rebuilding and general machine shop service for automotive, agricultural, industrial, and marine applications. Our services include PWC and motorcycle engine block and cylinder jug boring, cylinder head reconditioning valve jobs, custom marine metal fabrication, CAD design, CNC machining, precision inverter pulsed MIG and TIG welding of galvanized, aluminum, and stainless steel. We provide regional pick up and national delivery via UPS and FEDEX. We also offer wh

+1 410-741-1400Website
Quincy, Illinois4.2(5)

Awerkamp Machine Co. is the largest machine shop within 100 miles of Quincy Il. We also have the largest variety of new steel, stainless steel and aluminum.

+1 217-222-3480Website
Woodridge, Illinois

Bartech Precision Machining Company is ISO 9001:2015 Certified and fabricates a comprehensive range of close tolerance component parts from steel, aluminum, stainless, titanium, brass, copper and plastic.

+1 630-243-9068Website
Sutersville, Pennsylvania

Custom manufactured Tungsten Carbide, Ceramic and Tool Steel Tooling, Wear Parts and Specialty Components by Basic Carbide.

724-539-3575Website
Burnsville, Minnesota

Batten Tool & Machine, Inc. was founded in 1994 by Dan Batten. Since then we have grown to 12 full time employees with combined 75 years of experience among them. Batten Tool specializes in machining tough to machine materials such as Nitronic 60, 316, 304, 17-4PH stainless steels, titanium, tool steels, as well as other metals such as aluminum, brass and some plastics.

952-942-9198Website
Pennsburg, Pennsylvania3.8(4)

Providing close tolerance machined parts in steel alloys, stainless, brass, aluminum, plastics and composites. Design, tooling, assembly, & production

+1 267-923-8506Website
Dania Beach, Florida

High Quality Stainless steel Marine Towing eyes custom made to fit your boat, as used by major boat manufactures across the country. Our towing bridles are the strongest and best designed on the market today. We only use the best grade materials and hand shape and polish to perfection. you wont be disappointed.

+1 954-920-8004Website
New Orleans, Louisiana4.5

New Orleans, LA. Ship Repair, Machine Shops, and Fabrication Shops. Specializes in Steel Fabrication, Peiner Repair, and Boiler Repair,

+1 504-524-7681Website
Murfreesboro, Tennessee5.0(2)

Welcome to Consolidated Mill Supplies, LLC - a leader in the perforated steel production industry and the particle size reduction industry. We sell parts, equipment and more.

+1 615-893-7717Website
Lexington, Kentucky5.0(2)

Contract Machining specializes in CNC machining services, rock‑drill tools, castings & steel fabrication. Request a quote today!

+1 859-253-9700Website
Schaumburg, Illinois

New product line plastics machinery, machine rebuilding, OEM replacement parts for Blown/Cast Film, Packaging, Converting, Printing & Steel industries.

+1 847-519-0232Website

Frequently Asked Questions

What materials do CNC shops use for steel machining?
Carbon and alloy steels are workhorses of the machining world, offering a broad range of hardness, toughness, and cost options. CNC shops machine steel grades such as 1018, 4140, and 4340 for shafts, gears, tooling, and heavy structural parts where strength is paramount. Typical applications include: Shafts and gears, Tooling and fixtures, Structural machine components, Agricultural and construction equipment parts.
How do I choose a CNC shop for steel parts?
Look for shops with documented experience machining steel, relevant certifications (ISO 9001, AS9100 for aerospace), and in-house inspection capability. Request sample or first-article inspection reports before committing to production volumes.
What tolerances can CNC shops hold on steel parts?
Most precision CNC shops can hold ±0.001″ (±0.025 mm) tolerances on steel parts as standard. Tighter tolerances down to ±0.0002″ are achievable with specialized equipment and process controls. Confirm tolerance requirements upfront in your RFQ.

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