Combination Drill & Taps
6Pcs 1/4inch Hex Shank Glass Bits Coated Glass Drill Set 3 4 5 6 8 10mm Tile Concrete Flat Tip Hole Bit Drilling

Drilling diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm
Material: Ceramic Stainless Steel
Carbide-tipped drills with a degree of hardness.
Over HRC-90.
Suited for. drilling into glass, mirrors, concrete
Package included:
1pcX 3mm Glass Drill Bit
1pcX 4mm Glass Drill Bit
1pcX 5mm Glass Drill Bit
1pcX 6mm Glass Drill Bit
1pcX 8mm Glass Drill Bit
1pcX 10mm Glass Drill Bit