Description:

[Size]-Drill Diameter: 5mm / 0.2-inch, 6mm / 0.24-inch, 8mm / 0.31-inch, 10mm / 0.39-inch, 12mm / 0.47-inch; Shank Size: 1/4-inch; Total Length: 94mm / 3.7-inch, 99mm / 3.9-inch, 105mm / 4.13-inch, 115mm / 4.53-inch, 124mm / 4.88-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..