6 buc/set carbură cimentată cruce hexagonală plăci sticlă ceramică burghiu set eficient universal instrument de găurit deschizător de găuri pentru perete

Features: 100% Brand new and high quality . HIGH-QUALITY MATERIALS It is made of high quality YG6X alloyas raw material. The process of oxynitriding of the cutter head strengthen the drill hardness. SURFACE ELECTROPHORETIC PAINT PROCESS 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 ANGLE DESIGN Small incision resistance,feature drilling stably, fast speed, not breaking the border. Opening neat, smooth, no broken edges, no tremor phenomenon, chip easily. WIDE USAGE Professional glass and tile drill bits provide smooth and accurate drilling in ceramic tiles, marble, thin iron plate, mirrors and glass. Remember to add Water or coolant when drilling. 5 DIFFERENT SIZES Suitable for your different needs.It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above. Specifications: Item: Drill Bit Set (6Pcs) Material: carbide Size: 4/5/6/8/10/12mm Package contains: 6pcs* Drill Bit Note: Please allow 1-3mm differs due to manual measurement Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.