1. Part No.3089T5114
2. Bit Diameter:89mm
3. Thread: T51
4. Button:14 buttons
5. Length of drill rod: 900mm-5490mm
6. Button bit design: Flat face, drop center, normal and retrac body.
7. Tungsten carbide (Buttons): Spherical, ballistic and conical.
8. Applications: Drifting, tunneling, bench
9.