Mgtgbao Concrete Drill Bit Set, 10pcs Masonry Drill Bits Set Carbide Tip for Glass, Brick, Tile, Concrete, Plastic and Wood with Size 3/16” (5mm) to 1/2” (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.
➎10PC Concrete Drill Bit 5 DIFFERENT SIZES:10 pieces fine grade high durable drill bits that is 3/16” (5mm),1/4” (6mm), 5/16” (8mm) ,3/8” (10mm), 1/2” (12mm)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.
