Jerpbak-Bayless CompanyCall: 440.248.5387
Jerpbak-Bayless Company - One Total Source for Quality & Service
Jerpbak-Bayless CapabilitiesPrototype & Production CNC MillingPrototype & Production CNC TurningPrecision Custom ThreadingSpecialty
Jerpbak-Bayless PortfoliosVery Long Acme
Screw Shaft
Spline Shaft Used
for Deep Mining
Augers and
Feed Screws
Specialty Threaded Connectors


4340 Alloy Steel Spline Drive Shaft Used for Deep Mining

Using a variety of cutting processes, such as splining, CNC turning and CNC milling, Jerpbak-Bayless was able to successfully produce a series of spline shafts designed to be used specifically for deep mining.  Upholding a .0005 inch precision tolerance, we equipped these custom shafts with a sixteen RMS bearing surface finish and ANSI involute splines.

Constructed from 4340 alloy steel that was heat treated to 38 Rc, we provided each shaft with a material finish that can endure deep mining conditions.  Each piece measured 7.5 inches in diameter and 127 inches in length, and weighed 1590 pounds. In order to meet high customer expectations, we inspected all product features, guaranteeing 100 % client satisfaction.

Our well-equipped facility was able to supply all required material and machining equipment necessary to produce each alloy steel shaft. And, we were able to manufacture 10 parts per month over a 12 month time frame.  Using a combination of our advanced turning, splining and milling services, we were able to provide quality product in a relatively short time frame.

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4340 Alloy Steel Spline Drive Shaft
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Capabilities Applied/Processes: Spline, CNC Turning, and CNC Milling
Tightest Tolerance: .0005"
Material Diameter: 7.5"
Product Length: 127"
Product Weight: 1590 lbs.
Surface Roughness: 16 RMS Bearing Surface
Cutting Method: CNC Turning, Spline Milling, and CNC Drilling
Base Material: 4340 Alloy Steel Heat Treated to 38 Rc
Material Finish: Deep Mining
Special Feature: ANSI Involute Splines
Secondary Operations Applied: Drilling and Thread Milling
Industry for Use: Deep Mining
Volume: 10 pcs/month
Delivery Time: 4 Weeks
Standards Met: 100% Inspection of all features
Product Name: Spline Drive Shaft
Project Scope: Supply Material and Machine Complete

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