Fang Da Wang Alloy Ceramic Drill Bit Set for Tile and Concrete Drilling Sharp Drill Bits [12mm] 5 Pieces

High-strength alloy head

Hard alloy cutting tip with higher hardness and wear resistance than ordinary drill bits

Double U-shaped chip removal grooves for easier debris evacuation

Precision polished drill body surface with anti-rust treatment

Anti-slip triangular shank design for secure grip in electric drills

Suitable for use with cordless drills, handheld electric drills, and bench drills

Recommended for machines with voltage above 24V lithium battery (below 24V not recommended due to insufficient power)

For drilling glazed tiles and full ceramic tiles, use water cooling to reduce heat

When drilling walls with rebar, change drilling position to avoid edge chipping caused by steel reinforcement

For hard materials such as glazed tiles, ceramic tiles, marble, glass, iron sheets, aluminum alloy, steel pipes, and granite, use water cooling during drilling