Diamond core drill bit for angle grinder (2022)

diamond hole saw Diameter of the drum: From 4mm to 60mm 2. Total Length:70 mm or according to customers’ requirement 3. Diamond grit:40/50/80 or according to customers’ requirement 4. mainly used for precise drilling holes in the block of glass, fiberglass, ceramic, marble and other composite materials. JDR Diamond Tools Co., Ltd is a leading manufacturer of electro-plated diamond saw blades, polishing pads, core drill bits, hole saws,diamond files,diamond pins, grinding wheels,diamond cup wheel,router bits,diamond profiling wheels and other diamond tools in China which is located in the famous city of Jiangyin.