Foret diamant 45 mm avec filetage M14 pour perçage à sec, couronne diamantée pour carrelage en grès cérame, granit, marbre, pierre et matériaux de construction

Professional Type Vacuum Brazed (VB) diamond drill bits are professionally produced for wet or dry drilling in all types of ceramic, porcelain, tile, granite, marble, stoneware and other hard materials. Using VB technology, diamond drill bits can dry or wet drill on hard porcelain and stone with higher efficiency and longer life. Diamond drill bits with M14 thread connection can be used directly on the angle grinder. Easy operation, applied for DRY and WET drilling, can work in all conditions. The perfect tools are at your fingertips. diamond cutter allows you to drill the necessary holes for water inlets, drains, light points, etc. Diamond drill bit can dry drill dozens of holes in HARD PORCELAIN, much longer lifespan than electroplated (almost 10 times). You can drill a lot more holes in the wet. To make diamond drill bits last longer, please follow the correct usage method instructions.