Generic 20 pcs Overlord Drill Concrete bits for Drill Core Drill Bits Hexagonal Diamond Hole Metal Ceramic

• Hexagonal drill bit: suitable for ceramics, granite, tiles, stone, wood, plastic, concrete wall to drilling hole. Metal drill bits for steel: multi- size specifications: the drill bit set includes 3 pieces 6 mm ( 1/ 4 inch ), 3 pieces 8 mm ( 5/ 16 inch ), 2 pieces 10 mm ( 3/ 8 inch ), 2 pieces 12 mm ( 1/ 2 inch ) ), a total of 10 pieces punching drill bits, to meet your needs. applicable equipment: electric drill, bench drill Tile drilling bit: industrial grade coated carbide point with cutting edges. can be installed in the hand drill, electric drill. Glass: - the bits are ideally suited to general-, bench, and electric drilling. each drill has a unique u- type slot design. this design allows for fast penetrating and evacuation of debris as you work. Hard alloy glass drill bit: wide range of application: the tip of the hand drill bit is powerful and easy to drill, suitable for steel, copper, stainless steel, iron, aluminum, ceramic tiles, wood, plastic, glass, concrete, brick wall, cement, etc.