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
Wilbraham, Massachusetts5.0(1)

Utility Manufacturing Co. provides cold drawn precision shapes with the best quality and the shortest lead time in the industry. They manufacture steel and brass pinion rods, wires, extrusions etc.

+1 413-596-3861Website
Corry, Pennsylvania

VIP Machining, Inc. (est. 1967) specializes in supplying rough machined steel forgings, and seamless rolled rings.

+1 814-665-1840Website
Lubbock, Texas2.8(4)

The Largest quality producer of Vertical Turbine Pump OEM Steel Fabrication in Lubbock, Texas – VTS Fabs LLC.

+1 806-743-5555Website
Tacoma, Washington4.0(1)

Large Steel & Metal Casting Solutions

+1 253-475-3464Website
Longview, Washington

Specialty Machine If you can’t buy it…we’ll build it! Since 1961 Contact us for a quote! Proudly serving the Pacific Northwest and beyond. All material sales are found at 1160 Industrial Way Material Sales Page Contact our Steel Sales Directions Material Sales now open from 7:00AM - 3:30PM Latest Open Career Positions! Submit applications to…

+1 360-577-0777Website
Warren, Ohio3.6(5)

Warren Fabricating is an ISO certified manufacturer specializing in the fabrication, machining and assembly of large steel weldments servicing AISC-certified structural fabrication, defense contracts, large press manufacturing, power generation, surface mining and steel mill industries.

+1 800-827-0596Website
East Earl, Pennsylvania4.6(33)

Weaver Machine & Hardware - Your go-to for bearings, belts, hardware, CNC work, metal fabrication, and steel sales in Lancaster County, PA. Call 717-445-9927.

+1 717-445-9927Website
Marietta, Georgia5.0(6)

CNC machine shop in Marietta, GA, Werner Machine provides custom CNC machining in plastics, steel, & stainless alloys. Learn more

+1 770-919-1056Website
Landisville, Pennsylvania

Yardley Inserts is a leader in the production and distribution of precision turned metal parts using multi-spindle screw machines and CNC Lathes and Mills. Parts are routinely made of steel, stainless steel, brass, aluminum, non-magnetic, and other exotic metals. Our extensive industry expertise allows us to provide efficient CNC machining and consulting services.

800-457-0154Website

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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