8PC Concrete Drill Bit Set, Mgtgbao 3 to12mm Masonry Drill Bits for Tile,Brick, Plastic and Wood,Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall (1/8”~1/2”)

8PC Concrete Drill Bit Set, Mgtgbao 3 to12mm Masonry Drill Bits for Tile,Brick, Plastic and Wood,Tungsten Carbide Tip Best for Wall Mirror and Ceramic Tile on Concrete and Brick Wall (1/8”~1/2”)

• 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.
• 8 DIFFERENT SIZES:8 pieces fine grade high durable drill bits that is 3mm (1/8”), 4mm (5/32”) ,5mm (3/16”), 6 mm (1/4”), 7mm (9/32”), 8mm (5/16”),10 mm (3/8”), 12 mm (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.