HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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DTH Drilling tools Drop Center T51 89mm Retrac Button Bit
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;
Face designs; flat face, drop center, uni-face;
Color: Bule or can be Customized.
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: T51 89mm Button Bit Spherical Buttons
• Underground mining
• Tunneling
• Quarrying
• Widely used in bench and long hole drilling
• Perfect design can dealing with soft to medium-hard rock formations
• High grade tungsten carbide inserts.
• High efficiency.
• Top quality with competitive prices.
