• Underground mining
• Tunneling
• Quarrying
• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations
A comprehensive range of various button bits shown as below:
| Head diameters: | 33mm ~ 152mm |
| Alloy steel | 45CrNiMoV |
| Suitable carbide tips | YK05 |
| Technology | hot-pressing or welding |
| Thread sizes | R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60; |





