1.Part No.3076T3812 2.Bit Diameter: 76mm 3.Button bits: 12 buttons 4.Length of drill rod: 900mm-5490mm (MM and MF) 5.Button bit design: Flat face, drop center, normal and retrac body. 6.Tungsten carbide (Buttons): Spherical, ballistic and conical. 7.Applications: Bench, production. We have different designs for various rock formations, and a longer service life to decrease use costs for users.
