76mm T38 Quarrying Retrac Threaded Button Bit is suitable for mining,quarring,tunneling and so on. It is widely used for gound quarring and underground drilling.
A comprehensive range of various button bits shown as below:
Thread sizes: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60;
Head diameters: 33mm ~ 152mm;
• Underground mining
• Tunneling
• Quarrying
• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations