T45 Thread Type Rock Drilling Bit with 4 Flushing Holes and Alloy Steel Skirt in 3kg Weight for Mining And Tunneling
T45 76mm button bits are designed for bench drilling and underground long hole drilling applications. These bits are compatible with extension MF rod and MM rod heavy duty top hammer drilling systems.
- Manufactured from high-strength alloy steel and tungsten carbide for superior durability
- Available in multiple shapes including conical, ballistic, and spherical configurations
- Features various face types: flat face, uni-face, and drop center designs
- Proprietary heat treatment process and CNC milling ensure optimal performance
- Wooden box packaging provides excellent protection during transport and storage
| Diameter (mm/in) | No. of buttons | Buttons × button diameter (mm) | Flushing hole | Weight approx. (kg) |
|---|---|---|---|---|
| 70 / 2¾ | 10 | 6×11 | - | 20 |
| 76 / 3 | 12 | 8×11 | - | 22 |
| 76 / 3 | 13 | 8×12.7 | 1 | 24 |
| 89 / 3½ | 12 | 8×12.7 | - | 33 |
| 102 / 4 | 12 | 8×14.5 | - | 44 |
| 115 / 4½ | 14 | 8×14.5 | 1 | 58 |
| 127 / 5 | 14 | 8×15.8 | - | 66 |
| 152 / 6 | 20 | 18×14.5 | 1 | 99 |
Ideal for medium to hard rock drilling in both dry and wet conditions across multiple industries:
- Mining operations (coal, iron ore, gold)
- Tunnel construction and roadway development
- Quarrying and transportation projects
- Water conservancy and municipal construction
ISO certified products available with minimum order quantity of 50 pieces. Custom specifications available upon request.
Packaging: Wooden box for secure transport
Payment: T/T, Western Union accepted
Weight: 3kg per unit
Hebei Minetech Machinery Technology Co, Ltd. specializes in mining drilling tools with over 10 years of industry experience. Our professional engineering team provides complete solutions for mining machinery applications.
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