• Made of fine quality material, low resistance, high hardness, improving work efficiency.
• The design of triangle shank makes the clamping more tight and does not slip.
• U-shaped spiral is smooth and flat, and the drilling is smoother.
• Strong toughness and wear resistance, can be installed in electric drills.
• Provides smooth and accurate drilling in tile, brick wall, wood and so on.

Feature:

• Type: Drill Bit
• Material: Hard Alloy
• Quantity: 7Pcs/Pack
• Tool Holder Type: Triangle Handle
• Cooling Type: Outer Cold
• Blade Top Corner: 135°
• Category: Hole expansion drill
• Size: 3mm, 4mm, 5mm,6mm, 8mm,10mm,12mm
• Weight: Approx. 150g

Package Include:

• 1 x 7Pcs Set (3 4 5 6 8 10 12mm)