HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Your one stop solution for rock drilling tools.
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Retrac button bits are made by high quality alloy steel bar and tungsten carbides. Under the process of heat treatment, Minetech’s drilling tools are tested in various working conditions. What’s more, Minetech can supply customized thread button bits upon receiving of different drilling application, the bits are suitable in drilling with very hard rock.
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;
| Size | Button Quantity | Buckle type | Weight | |
| Front | Gauge | |||
| 64mm | 4*10 | 8*10 | R32 | 2.2KG |
| 76mm | 4*11 | 8*11 | T38 | 3.3KG |
| 89mm | 6*13 | 8*12 | T38 | 4.8KG |
| 102mm | 6*13 | 8*13 | T51 | 6.8KG |
| 115mm | 6*14 | 8*14 | T51 | 9.8KG |
| 127mm | 8*14 | 8*16 | T51 | 12KG |
• Underground mining
• Tunneling
• Quarrying
• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations
