Romax Glass Drill Bit 1/4 inch, Tile Drill Bit 1/4 inch, High Temperature Brazed Carbide Tips, Cross Spear Head Reduces Breakout, Drilling Bottles, Marble, Ceramic and Mirror | 6 mm x 5 Piece

Romax Glass Drill Bit 1/4 inch, Tile Drill Bit 1/4 inch, High Temperature Brazed Carbide Tips, Cross Spear Head Reduces Breakout, Drilling Bottles, Marble, Ceramic and Mirror | 6 mm x 5 Piece

• [Multifunction] Perfect tool for drilling Glass, Tile, Marble, Ceramic, Bottles, Mirror, Concrete, Brick, Plastic and Wood.
• [High Life Time] High Temperature Brazed Carbide Tips with a reinforced head help to reduce stress, prevent bit cracking and provide longer life.
• [Precision and Fast] Cross Spear Head solves bit wander and bit walking and reduces breakout, Making clean and accurate holes.
• [IMPORTANT] Rocking the drill in a circular motion helps it cut!
• [CAUTION] Use constant flow of coolant and clear chips frequently to extend life time