Glass Diamond Drill Bits

Glass Diamond Drill Bits More Superhard Diamond Drill Bits include straight shank drill bits, cone shank drill bits,threaded shank drill bits. Threaded shank drill Straight shank drill bits Cone shank drill bits Features of glass diamond drill bits: Steady drilling with better smoothness Free drilling and long lifespan No damage to the edge High drilling efficiency Specification of glass diamond drill bits: Cone shank :45° Wall Thickness :1mm Length: 75mm, 95mm Threaded shank