5pcs Triangle Shank Drill Bits Multifunction Twist Drill Bits For Ceramic Tile Woodworking12mm

These drill bits have industrial grade tungsten carbide tips that are more durable and sharper than typical drills.

Triangular shank design prevents slipping and keeps the drill bit tight and stable in the power drill.

The triangular shank is easier to install in all power tools, especially for quick locking chucks and for easy removal and cleaning.

Sturdy tungsten carbide tip easily penetrates a variety of materials (glass, tile, wood, ceramic, brick, etc.) for home and general construction projects.

Adopting special sharpening technique, small incision resistance, high sharpness.

Spiral design for high efficient chip removal, non-stick, smoother drilling.