20pcs 6-50mm Diamond Drill Bits Hole Saw Set for Glass Ceramic Marble

Description 20pcs 6 50mm Diamond Drill Bits Hole Saw Set for Glass Ceramic MarbleSpecification Material IronColor SilverCutter Type DiamondSize 6 8 10 12 14 16 18 20 22 25 26 28 30 32 35 38 40 42 45 50mmFeatures Please add water for coolant and drill slowly Holes require no futher work as cutting is clean Never use drills while machine is in hammer action 20 pieces 6 50mm Diamond coated drill bits and chucks Start drill at 45 degree to surface and align to 90 degree as hole forms Package Included 1 x 6mm Diamond Drill Bit1 x 8mm Diamond Drill Bit1 x 10mm Diamond Drill Bit1 x 12mm Diamond Drill Bit1 x 14mm Diamond Drill Bit1 x 16mm Diamond Drill Bit1 x 18mm Diamond Drill Bit1 x 20mm Diamond Drill Bit1 x 22mm Diamond Drill Bit1 x 25mm Diamond Drill Bit1 x 26mm Diamond Drill Bit1 x 28mm Diamond Drill Bit1 x 30mm Diamond Drill Bit1 x 32mm Diamond Drill Bit1 x 35mm Diamond Drill Bit1 x 38mm Diamond Drill Bit1 x 40mm Diamond Drill Bit1 x 42mm Diamond Drill Bit1 x 45mm Diamond Drill Bit1 x 50mm Diamond Drill BitMore Details