Cross Triangle Drill Bit

 No need to add water, you can drill to the bottom in one click. Universal various materials, efficient drilling. Main Features: ➊Â?strong>HIGH-QUALITY MATERIALSIt is made of high-quality YG6X alloy as raw material. The process of oxynitride of the cutter head strengthens the drill hardness. ➋Â?strong>SURFACE ELECTROPHORETIC PAINT PROCESSFull-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. ➌Â?strong>UNIQUE CROSS ANGLE DESIGNSmall incision resistance，feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. ➍Â?strong>WIDE USAGEProfessional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plates, mirrors, and glass. Remember to add water or coolant when drilling. ➎Â?strong>5 DIFFERENT SIZESSuitabl