DT DIATOOL Diamond Drill Bit 68mm Hole Saw for Dry Drilling Tile Porcelain Marble Ceramic Granite

1 piece 68mm dry diamond drill core bit Diameter: 68mm; Diamond Height: 15mm; Total Length: 62mm; Grit:#40/50; M14 Thread for Angle Grinder Dry drilling for tile porcelain ceramic granite marble stone High diamond exposure rate provides a faster and more aggressive drilling Vacuum brazed technology provide much longer life than electroplated ones, Weight: 0.661386786 pounds, Manufacturer: DT-DIATOOL