Through-hole jewel components are a series of products, mainly used in various precision timing instruments, automatic recording instruments, various precision measuring instruments (diameters, dial indicators, etC.), and cylindrical supports for other instruments and meters.

The main types of through-hole series jewel components are: flat straight (olive) hole jewel components, single oil groove flat straight (olive) hole jewel components, double oil groove flat straight (olive) hole jewel components, convex top olive hole jewel components, single oil groove convex top olive hole jewel components, etc.

If users need other hard and brittle materials, other specifications, and other precision products, please contact us.