20PC Masonry Drill Bits, Mgtgbao Concrete Drill Bit Set for Tile,Brick, Plastic and Wood,Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall with Size 5mm to 12mm
- ➊HIGH-QUALITY MATERIALS:It is made of high quality YG6X alloy as raw material. The process of oxynitriding of the cutter head strengthen the drill hardness..
- ➋SURFACE 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..
- ➌UNIQUE 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..
- ➍WIDE 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..
- ➎5 DIFFERENT SIZES:20 pieces fine grade high durable drill bits that is 5mm(3/16”) , 6mm(1/4”), 8mm (5/16”) , 10mm (3/8”), 12mm (1/2”) fit your different needs .It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above..