Ziermo Efficient Universal Triangle Concrete Review

【High-Quality Materials】 The Multi-Material Drill Bit Set for Tile is made of high-quality YG6X alloy as raw material. The process of oxynitride of the cutter head strengthens the drill hardness. 【Surface Electrophoretic Paint Process】Concrete Drill Bit Set for Tile is full-grinding and anti-rust treatment, clean and sharp without burrs. The drill bit is more wear-resistant and more durable. Fully automated polishing: Polished CNC is fully automated, each one is unified. 【Unique Cross Design】With the Carbide Tip Drilling Tools, small incision resistance, feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. 【6 Different Sizes be Usable】Masonry Drill Bits for Brick including 4mm / 0.15in, 5mm / 0.19in, 6mm / 0.23in, 8mm / 0.31in, 10mm / 0.39in, 12mm / 0.47in, suitable for your different needs. you can installed in the general electric hand drill, bench drill, the machine drill, clamp range is 10 mm and above. 【Widely Used】drilling tools for ceramics provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass.