6-piece efficient universal drill bit set, high hardness thick drill bit set, carbide drill bit accessories, multifunctional alloy cross drill bit, other drill bits

Efficient universal drilling tool, concrete and masonry drill bit set, carbide tip, for tiles, glass, plaster, concrete, brick, plastic, etc. (6 pieces) Product Features: 【SURFACE COATING ELECTROPHORETIC】Complete anti-rust treatment, clean and sharp without burrs. The tip is more wear-resistant and durable. Fully automatic polishing: CNC polishing is fully automatic, ensuring uniformity on every part. 【HIGH-QUALITY MATERIALS】Made of high-quality YG6X alloy. Oxynitriding of the cutter head increases the hardness of the tip. 【UNIQUE CROSS ANGLE DESIGN】Low cutting resistance, stable drilling, high speed, no chipping of the cutting edge. Clean and smooth drilling, no chipping, no wobble, no breakage. 【VERSATILE APPLICATION】Professional glass and tile drill bits allow precise and uniform drilling on ceramic tiles, marble, sheet metal, mirrors and glass. Remember to use water or coolant when drilling. 【6 DIFFERENT SIZES】 Suitable for different needs. Can be used with a standard handheld or benchtop electric drill. Chuck capacity is 10mm and above.