Product Specifications:
 
Material: Hard Alloy
Bit Type: Tile & Glass Drill Bit
Drill diameter: 3mm/4mm / 5mm / 6mm / 8mm / 10mm / 12mm 
 
 
 
Features:
 
1. It has strong toughness and wear resistance
2. Incision resistance are small, increase the opening speed, long service life
3. Industrial grade Coated Carbide Point with 4 Cutting edges
4. Can be installed in the hand drill, electric drill
5. Suitable for Ceramics, granite, tiles, stone, wood, plastic,concrete wall to drilling hole