Description:

DIAMOND MATERIAL: The diamond grinding head has high hardness, wear resistance, durability and long service life.. EFFICIENT: Diamond drill bits can be ground quickly, speed up work efficiency, save your time, and save time efficiently.. FEATURES: Diamond drill bits are hardened by chrome plating, high strength, high performance, and very practical.. USE: Diamond drill bits are widely used to shape all types of glass, ceramic tiles, stone and similar materials..