Internal & External Spline Cutting Services

Internal & External Splines

With a variety of machining options including hobbing, shaping and broaching, Precision Gears, Inc. is adept at cutting both internal and external involute and straight-sided splines on workpieces. We work with metals such as gray cast iron, alloy steel, aluminum and stainless steel.

Hobbing Capabilities

  • Diameters from 1/2” to 25”
  • Diametral pitch from 64/128 to 2.5/5
  • Maximum length of 56”

Shaping Capabilities

  • Can cut external and internal splines
  • Diameters from 0.5” to 25”
  • Diametral pitch from 48/96 to 2.5/5
  • Maximum length of 6”

Broaching Capabilities

  • Large variety of broach bars in stock for your internal spline needs

Ask us about our as-needed and just-in-time delivery services, or any other questions about our spline cutting services.


With highly skilled technicians, manufacturing expertise and a fully equipped facility, we can perform the precision service you need for your custom gear project.