Fang Da Wang 12mm 3-Piece Four-Flute Spiral Drill Bit Set Universal Hex Shank Sharp and Wear-Resistant Fast Drilling

Tungsten steel alloy four-blade drill head

Drilling speed twice as fast as ordinary drill bits

CNC precision grinding with double back angle for faster and sharper drilling

Four-blade pointed triangular design

Universal hexagonal shank for wide compatibility and durability

Hexagonal connector ensures firm grip and long service life

Suitable for electric drills, cordless drills, and bench drills

Compatible with hand drills, cordless drills, and bench drills

Suitable for drilling materials including red brick, foam brick, antique tiles, wood, plastic steel, concrete, honeycomb brick, aluminum alloy, glazed tiles

For harder materials such as tiles, vitrified tiles, glass, ceramics, marble, granite, stainless steel, angle iron, aluminum, use with water cooling

Tested for durability with over 300 holes drilled continuously

Suitable for both household and industrial use

Measurements are manual and may have slight deviations

For high hardness materials, use water cooling during drilling to extend drill bit life

Hexagonal shank design prevents slipping and loosening during high-speed or impact drilling

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