45-127mm R25-T51 Retrac Thread Button Bit with 2 Flushing Holes for Mining and Tunneling
45-127mm R25-T51 thread drill bits, retrac button bit, Thread Button Bit
- Raw material: Premium alloy steel bar and tungsten carbides with heat treatment
- Body & button shape: Normal and retract type; ballistic and spherical
- Face shape: General flat and drop-center
- Thread type: R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60
- Diameter: 45mm-127mm
- Color: Blue, golden, orange
| Thread sizes | R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51, SST58, SST68, SGT60 |
|---|---|
| Head diameters | 45mm ~ 127mm |
| Face designs | Flat face, drop center, uni-face |
| Color | Blue or can be Customized |
| Material | Tungsten carbide and high strength alloy steel |
| Processing | CNC milling and proprietary heat treatment process |
- Underground mining
- Tunneling
- Quarrying
- Widely used in bench and long hole drilling
- Perfect design for soft to medium-hard rock formations
Hebei Minetech Machinery Technology Co, Ltd. is a joint venture enterprise with European Partner, located in Shijiazhuang City, Hebei Province, China. We specialize in manufacturing and exporting mining machinery including hydraulic/pneumatic drill machines, roof bolters, and drilling consumables like drill bits and rods.
With over a decade of experience and professional engineering/sales teams, we provide complete solutions for mining machinery. Our products are exported to more than thirty countries including Southeast Asia, USA, Germany, UK, South Africa, Poland, Russia, and South America, establishing a strong international reputation.
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