1.Part No.3038R2807
2.Bit Diameter:38mm
3.Thread: R28
4.Button:7
5.Length of drill rod: 1800mm-5530mm
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.Website:www.maxdrillrocktools.com
10.We have different designs for various rock formations, and a longer service life to decrease use costs for users.