Involute, Parallel & Serration

Splined Plug Gauges are used to check circular space width on an internal splined component.

Spline specialises in the manufacturing of Splined Plug Gauges and is able to offer a wide range of internationally recognised standards and any bespoke designs to meet your gauging requirements. Some of the common standards include:

  • DIN
  • ISO
  • BS
  • JIS
  • SAE
  • NF  E
  • NAS
  • ​RVZ


Spline is also able to supply Tapered Plug Gauges, Plain Diameter Plug Gauges & Taper Plain Diameter Plug Gauges.

Spline also have the capabilities to produce Straight or Helical splined Plug Gauges.

Spline typically manufacture plug gauges in 01 tool steel which has a hardness rockwell (HRC) of 60-62 however we can also manufacture in other materials such as high speed steel which is more durable offering extended life. Other materials we offer are:-

  • A2 (61-63 HRC)
  • ASP23 (64-65 HRC)
  • ASP30 (65-66 HRC)


For additional Information on any of our products or to request a quote please feel free to contact a member of our team by filling out the form provided in the contact us section.

Involute, Parallel & Serration