Ultimate Drill Bit Ceramic Glass Punching Hole Working 3mm-12mm

Regular price £9.99

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Made of fine quality material, low resistance, high hardness, improving work efficiency.

The design of triangle shank makes the clamping tighter 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, glass, brick wall, wood and so on.

Material: Hard Alloy

Tool Holder Type: Triangle Handle

Cooling Type: Outer Cold

Blade Top Corner: 135°

Category: Hole expansion drill

Optional Style:
5pcs: 4mm, 5mm, 6mm, 8mm, 10mm
7pcs: 3mm, 4mm, 5mm,6mm, 8mm,10mm,12mm