Carbide steel material is preferred, which is harder than ordinary drill bits and more resistant to wear.
Four-blade design, small incision resistance and small incision resistance, precise and effortless punching.
The surface of the drill body is treated by centerless grinding, and the chip removal is smoother.
The shank of the drill bit is cut into a solid hexagon, which makes the electric drill clamping more secure and the drill hole less slippery.
Compatible equipment: lithium drill/hand drill/bench drill
Uses: glass, ceramics, vitrified tiles, all-ceramic tiles, brick walls, wood, plastic