Tungsten Carbide Ring Gauge

 Ring gauge, also known as correction ring gauge, is a ring with specific size and properties used to correct the shortcomings of measuring tools. Ring gauge is a limit gauge for shaft, which is mainly used to measure shaft or other external dimensions with tolerance grade of 1t6 ~ 1t16. The ring gauge can not inspect the parts and crankshaft processed on the center, and its application scope is limited.

We can also process according to your requirements.

Tolerance:

Φd(mm)	Tolerance(mm)	Roundness tolerance
6~20	±0.001	0.001
20~45	±0.002	0.0015