Concrete Spiral Screw Drill Bit Set Metric Composite Tap Cross Hex Tile Cutting Drilling Polishing

Label:Yes Industrial grade Coated Carbide Point with 4 Cutting edges Can be installed in the hand drill, electric drill It has strong toughness and wear resistance Material: Alloy Bit Type: Tile & Glass Drill Bit Coated: Titanium Incision resistance are small, increase the opening speed, long service life Drill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mm Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole Package Includes: 4 PCS x (3mm+4mm+5mm+6mm)Drill Bit Or 4 PCS x (6mm+8mm+10mm+12mm)Drill Bit Or 7 PCS x (3mm+4mm+5mm+6mm+8mm+10mm+12mm)Drill Bit