10Pcs Ultimate Brill Bits Multi-Material Triangle Drill Bit Diamond Set for Tile Concrete Brick Glass Plastic Wood Stone 4-12mm

Alloy material with hardness, low resistance, high hardness, improving work efficiency.Triangular handle design makes the clamping more tight and does not slip.U-shaped spiral grooves is smooth and flat, and the drilling is smoother.Strong toughness and wear resistance, can be installed in the hand drill,electric drill,bench drill.Wide Application: Provides smooth and accurate drilling in ceramic tile, glass, brick wall, wood, etc.DIY Supplies: TilingType: Center Drill Bitwith Standard Component Or Not: Standard PartsChip Tank Length (mm): 70mmMaterial: Cemented CarbideCategory: triangle zuanCutting Diameter (mm): 3-12mmSeries: Alloy Triangle Drill BitNo need for shaking or reducing friction, capable of withstanding heavy-load operations, making the cutting process smoother

• Alloy material with hardness, low resistance, high hardness, improving work efficiency.
• Triangular handle design makes the clamping more tight and does not slip.
• U-shaped spiral grooves is smooth and flat, and the drilling is smoother.
• Strong toughness and wear resistance, can be installed in the hand drill,electric drill,bench drill.
• Wide Application: Provides smooth and accurate drilling in ceramic tile, glass, brick wall, wood, etc.
• It is convenient to carry. The drill bit is placed in a plastic box, which makes it easy to store and carry .