• Naoki Shibata

Securing Clearance for Thread

Updated: Jun 1

Lathe Parts such as Shafts, Rollers, Pistons or Pins that have thread, “Effective Thread Length” like Y in the upper picture is not possible for us to produce thread on whole length.


Without Clearance Groove
Without Clearance Groove

Adding “Clearance Groove” as the lower picture enable us to produce as the call out. The clearance groove shall be more than 150% larger than length of thread pitch.


With Clearance Groove
With Clearance Groove


We, E&H Precision, Asia's Largest CNC Machining Lathe Turned Parts Manufacturer has more than 700 CAM / CNC automatic lathe turning machines producing both Machining Thread and Knurling Thread on Stainless, Steel, Brass, Copper, Aluminum in Japan, Thailand & India.


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