they can withstand the huge heat generated by the hole saw when it rotates at high speed. Water can be an additional coolant to extend the service life. Item: Diamond Drill Bits Kit, Quantity: 11pcs,with aluminium box, Connection: M14 Thread, Specificiation: *Drilling Core Bits: Dia... The core bit set is designed for Drilling a hole or Milling Bevelling, Enlarging, Grinding to porcelain tiles, ceramics, marble, granite, etc. Serrated Design: diamond hole saw has saw-shaped teeth on the top to ensure sharp teeth and fast drilling speed. SHDIATOOL Diamond Chamfer Bits,Milling Bits Drill Core Bits Buy SHDIATOOL Diamond Chamfer Bits,Milling Bits Drill Core Bits Set for Porcelain, Hole Saw Cutter for Tile Marble Ceramic Granite one set can meet almost needs in daily life. 11pcs Sets: 6mm (1/4), 8mm (5/16),10mm (3/8), 20mm(4/5),25mm (1),28mm(1-1/8),32mm(1-1/4), 35mm(1-3/8), 50mm / (2), 65mm/ (2-1/2) hole saw; 45mm/(1-3/4) Chamfer bits; triangle shank; 1pc EVA positioner and 1pc hard storage bag. Vacuum brazed technology provides excellent drilling strength for high-precision and smooth cutting, and the drilling is stable and fast. Diamond Drill Bits SHDIATOOL 7-Piece Diamond Hole Saw Kit For Porcelain Tile Ceramic Tile Hole Cutter The precise positioning system firmly clamps the hole saw to prevent sliding and object damage caused by improper operation.
