[Size]-Drill Diameter: 10mm / 0.39-inch; Shank Size: 1/4-inch; Total Length: 115mm / 4.53-inch.. [Material]-The cutter head is made of carbide. The triangular bit has low resistance and can improve work efficiency. The tool shank is made of high-speed steel, which is strong in hardness and wear resistance, and can be installed on electric drills and bench drills.. [Cross Head Design]-The cross spear head solves the problem of the drift of the drill bit, making the drilling accurate and clean. The tip of the cross can be easily positioned.. [Wide use]-It can be used for drilling walls, bricks, wood, glass, ceramic tiles, concrete, etc.. [Note]-Use a constant flow of coolant, often remove chips to extend the service life..
