FACHLICH Diamond Core Drill Bits 6mm Tile Hole Saw 2pcs Vacuum Brazed for Porcelain Ceramic Granite Marble

Quantity: 2 pieces; Diameter: 6mm; Total Length: 60MM; Diamond Height: 10mm; Connection: M14 thread Vacuum Brazed Technology— higher efficiency, more durable, longer service life than electroplated ones. 6mm-16mm bits with Wax inside help cooling the bits; 20mm above with lightning tooth design helps quickly remove debris. Application—for porcelain&tile&ceramic&granite&marble&masonry; Dry or wet drilling are both OK, but use water for longer service life and higher efficiency. The connection of all bits are M14 arbor and suitable for M14 angle grinder. Recommended RPM: 6000; Max RPM: 11000.