Dedong Four-Blade Cross Drill Tile Drill Bit Concrete Hole Drilling Tool High Hardness Tungsten Steel 6+8mm [2 Pieces]

Durable alloy four-blade design for efficient drilling without fear of damage; guaranteed refund if unable to drill.

Suitable for multiple materials including ceramic tiles, ceramics, glass, concrete, cement walls, and metal.

Sharp blade edges capable of drilling various materials such as wood, marble, tiles, brick walls, concrete walls, and steel plates.

Cross-shaped four-blade drill head with pointed triangular design; CNC precision grinding with double rear angles for faster and sharper drilling.

For harder materials, water cooling is recommended during drilling; suitable for tiles, glazed tiles, glass, angle iron, ceramics, marble, granite, and stainless steel.

Enhanced grip with universal hexagonal shank interface to prevent slipping; compatible with most drill models including handheld drills, high-power handheld drills, and bench drills.

Wide compatibility and extensive range of sizes to meet different needs.