Punte trapano nucleo seghetto diamantato 40-100 mm strumenti di perforazione vetro per piastrelle di pietra
JINGLING 40-100mm Diamond Coated Hole Cutter Saw Drill Bits for Glass Tile Ceramic Marble. The diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite. Drilling speed: Drill a hole in seconds.