Diamond drill bit 42 mm for Edplit socket installation42 mm Diamond Drill Bit for EdPlit Socket Installation Designed for precise, chip free cutting of EdPlit socket holes. Diamond coating ensures smooth edges and long service life, while water cooling reduces overheating and extends durability. Features Diameter: 42 mm Clean, accurate cuts for perfect socket fit Fits most standard drills Can be reground once for longer use Works with ceramics, tiles, and glass (not for stone) Safety Tips Wear safety