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Contact SupplierWe are offering diamond drill bit.
Usage: used on the punch of glass, ceramics,cameo, stone, agate, sheel, tile and other hard materials
complete specification: straight shank, taper shank ,thread shank. Special specification can be made according to the requirements of customers.
Diameter: ï�2-ï�100
feature: durable to polish and not crack, high efficiency, long life.