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CNC Machining of Custom Steel Bolt for the Mining Industry

 

 

Working with a client in the mining industry, Mahuta Tool CNC machines this custom steel bolt measuring 14" in diameter and 14" long. Beginning with a custom supplied 2D CAD drawing, our first step in the manufacturing process was to set up the CAM programming for the bolt's dimensions and features. Using CNC turning, we carried out a rough pass to turn the outside and inside diameters on the heat-treated 4140 steel forging, followed by a finish turn to achieve the accurate and smooth final dimensions. The fine threading along the inside diameter was also achieved through CNC turning, as well as the ¾ pitch buttress thread.

The holes along the flange were formed on our CNC horizontal milling machine, and all features and dimensions were manufactured to within ±.005". We also applied a preservative finish to prevent rust. Typical turnaround for this steel bolt is 2 weeks, and we manufacture in low quantities of 1 to 10 per run for our client.

  CNC Custom Steel Bolts for Mining
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CNC Custom Steel Bolts for Mining
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Capabilities

Product Description This Steel Bolt is used within the Mining Industry
Capabilities Applied/Processes CAM Programming
CNC Turning
  • Rough & Finish Turn OD & ID
  • Thread ID
  • Form Buttress Thread
CNC Horizontal Milling
  • Drill Holes on Flange
Overall Part Dimensions O.D.: Ø14.000"
Length: 14.000"
Buttress Thread: ¾ Pitch
Tightest Tolerances ±005"
Material Used 4140 Steel Forging-Heat Treated
Finish Preservative Applied to Prevent Rust
Industry for Use Mining
Volume Manufactured 1 to 10 Per Run
Turn Around Time 2 Weeks
Delivery Location Wisconsin
Standards Met Customer supplied print, 2D CAD Drawing
Product Name 4140 Steel Bolt
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Mahuta Tool Corporation | N118 W19137 Bunsen Drive | Germantown, WI 53022 | Tel: 888-686-4940 | Fax: 262-502-4200 |sales@mahutatool.com | www.mahutatool.com