glass diamond core drill bit

glass diamond core drill bit We are the largest supplier of diamond drills.Our products have been exported to many countrires and we receive good feedback from our customers.Our products is popular in the world. 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: φ2-φ100 Feature: durable to polish and not crack, high efficiency, long life glass diamond drills,diamond core drill bit,glass drill bit Contact Person: Angie Cell Phone: +86-18203615866 Email: longdapolishing(at)gmail(dot)com MSN: polishingwheel(at)hotmail(dot)com Skype: polishingwheel