Custom Manufacturing of Hardened Steel Pins for the Construction Industry

Custom Manufacturing of Hardened Steel Pins for the Construction Industry

Z&L Machining Inc. was approached by a Tennessee-based company to custom manufacture hardened steel pins specifically designed for a heavy construction equipment application. To fill this order, we used a detailed and exacting five step process that took advantage of our state-of-the-art equipment including a Kasto saw, Hey centering machine, Mazak CNC lathe and mill and a Cincinnati twin grip centerless grinder. Each of the 57.3 kg pins was made using hot rolled 4140 heat-treated steel within tightest tolerances of +0"/-.0014".

To guarantee the highest quality product, we went through extensive testing and inspection process that included the use of a micrometer, calipers, gage pins, hardness tester and profilometer.

To learn more about how we manufactured these hardened steel pins see the details below. For information about any of our other outstanding services and products please contact Z&L Machining Inc.

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Highlights from the Custom Manufactured Steel Pin

Product Description This custom manufactured steel pin is used within a heavy construction equipment application.
Capabilities Applied/Processes
Saw Cutting
  • Saw to 37.047" Long ±.030"
Turning-CNC
  • Turn & Chamfer
Mill CNC
  • Drill & Chamfer 2 Cross Holes
Heat Treatment
  • 55-60 Rc Surface
  • .130-.210 Effective Case Depth
Grinding
  • Grind Diameter
Equipment Used to Manufacture Part Kasto Saw, Hey Centering Machine, Mazak CNC Lathe, Mazak CNC Mill, Cincinnati Twin Grip Centerless Grinder
Overall Part Dimensions O.D.: Ø3.9349"
Length 37.047"
Tightest Tolerances +0"/-.0014"
Material Used Hot Rolled 4140 Heat Treated Steel
Max Material Finish 1.6-6.3 Rmax - metric
In process testing/inspection performed Micrometer, calipers, gage pins, hardness tester, profilometer
Estimated Part Weight 57.3 kg
Quantity 182
Industry for Use Construction
Delivery Location Tennessee
Standards Met Customer supplied print, 2D CAD Drawing
Product Name Custom Manufactured Hardened Steel Pins

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