T51 89mm Retract Button Bit DTH Drilling Tools Drop Center Rock Drilling Tools
Description:
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.
Advantage:
High grade tungsten carbide inserts.High efficiency.Top quality with competitive prices.
Specification:
Thread sizes | R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60 |
Head diameters | 33mm ~ 152mm |
Face designs | flat face, drop center, uni-face |
Material | Tungsten carbide and high strength alloy steel |
Applications:
Underground mining.Tunneling.Quarrying.Widely used in bench and long hole drilling.Perfect design can dealing with soft to medium-hard rock formations