5pc Plastic Box Drilling Ceramic Tile Drill Bit Glass Concrete Cement Electric Hammer Drill Multifunctional Drill Bit

5pc Plastic Box Drilling Ceramic Tile Drill Bit Glass Concrete Cement Electric Hammer Drill Multifunctional Drill Bit Feature: 1. Special Design : Spear pointed design strong Carbide cutter head can easily penetrate various material. U groove drill bit design The spiral shank increase cutting speed and prevents slipping It also removes flakes and debris easily leaving you a clean and smooth hole. The drill bits are durable and will stay sharper. 2. The surface is coated with electrophoretic paint to prevent the drill bit from rusting and the traditional plating process is abandoned and the product quality is higher. The surface of the drill bit is polished and the surface is smooth. Special bevel connection is designed for reducing resistance. Hex shank is designed for preventing slipping. 3. Multipurpose : Masonry drill bits set is widely used it can easily penetrate various material like ceramic tile glass hard plastic cement concrete mirror travertine brick wall wood and can reduce breakout. 4. Drill Bit