Hebei Minetech Machinery Technology Co., Ltd

Our conical ball-tooth drill bits are made of high-quality cemented carbide and produced through a heat treatment process. They can be connected to conical drill rods and are suitable for air-leg or hand-held rock drills, gold and coal mining, marble and granite quarries, stone engineering, tunnels, water conservancy projects, etc. They have a wide range of head diameter options, from 26 mm to 48 mm. The conical drill bit skirt has hot-pressed carbide ball teeth, which have good drilling performance and long service life. Drill bit diameter: 26 mm to 48 mm; Taper: 4°46', 6°, 7°, 11°, 12°; Ball tooth configuration: 5-ball teeth, 6-ball teeth, 7-ball teeth, 8-ball teeth