Made of high-quality Diamond coated material, high hardness, uniform particles, durable and wear-resistant.
For repairing grinding of inner hole, mainly used for engraving glass, repair abrasive and hard objects.
For electric grinder, engraving machines, electric machinery and equipment. An ideal correction tool for the processing of various carbide, glass instruments, jade carving, etc.
Package Included: 18pcs(3pcs of each size) Diamond Coated Cylinder Head Grinding Bit