5 Pieces Multi-Material Tungsten Carbide Drill Bit Set for Porcelain Ceramic Tile,Concrete,Brick,Glass,Plastic Masonry and Wood(3mm 4mm 5mm 6mm 8mm)
- Alloy head material with stronger hardness.
- When drilling hard material (glass, porcelain floor tile, marble or granite), please use water for lubrication.
- Triangular handle design, operation more stable.
- U type slot design, conducive to chip removal, no damage to the tile wall.
