T51 89mm Tungsten Carbide Button Bits Rock Drilling Tools
Product Description
MTH thread button drill bits are manufactured from high-quality alloy steel bar and tungsten carbides. Through precise heat treatment, our drilling tools achieve exceptional toughness to meet demanding rock drilling applications while minimizing energy loss during operation. We also offer customized thread button drill bits tailored to specific drilling requirements, suitable for soft rock, loose-medium rock, and hard rock formations.
Compatibility & Specifications
These Rock Drill Thread Button Bits are compatible with R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, and T60 rock drill rods. Designed for hard rock drilling (f=8~18), they feature:
- Thread connections: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60
- Alloy steel: 45CrNiMoVa
- Carbide tips: YK05 or KK06H
- Manufacturing technology: Hot-pressing or welding
Order Confirmation Requirements
Before placing an order, please confirm the following specifications:
- Thread Type
- Standard or Retrac configuration
- Bit button shape (Spherical or Ballistic)
- Bit face shape (Drop Center, Flat Face, Convex, Concave, etc.)
Technical Specifications
| Bit Dia. (mm) |
Tapered Connection |
Qty×Dia (mm) of Gauge Button |
Qty×Dia (mm) of Front Button |
Air Holes Front |
Air Holes Side |
Weight (kg) |
| 43 |
R28 |
5×10 |
2×9 |
1 |
3 |
0.9 |
| 51 |
R32 |
6×10 |
3×9 |
3 |
- |
1 |
| 76 |
R32/R38/T38 |
7×10 |
4×10 |
1 |
2 |
2.6 |
| 89 |
T38/T45/T51 |
8×12 |
4×12+2×10 |
4 |
2 |
4.3 |
| 102 |
R32/T38/T45 |
8×14 |
6×12 |
2 |
2 |
5.6 |
| 110 |
T45/T51 |
7×14 |
5×13 |
3 |
- |
5.8 |
| 115 |
T45/T51 |
7×14 |
6×14 |
4 |
- |
6 |
| 127 |
T45/T51/GT60 |
8×14 |
7×13 |
2 |
1 |
6.5 |
| 140 |
T51/GT60 |
8×16 |
7×14 |
2 |
1 |
8.9 |
| 152 |
T51/GT60 |
8×16 |
8×14 |
2 |
1 |
10 |
Packaging
Products are packaged in ply-wooden cases and pallets to ensure protection during transportation. Custom packaging solutions are available upon request.
Product Images