OEM Threaded Button DTH Drill Button Bit R25 R28 R32 R35 For Mining
Threaded Button Drill Bits – R25, R28, R32, R35 Series
Product Overview
Our threaded button drill bits are manufactured from high-grade alloy steel and premium tungsten
carbide buttons, designed for high penetration rates, long service
life, and consistent performance in all rock conditions.
Available in R25, R28, R32, and R35 threads, these drill bits are compatible with most hydraulic and pneumatic
rock drills from Sandvik, Atlas Copco, Montabert, Furukawa,
Ingersoll Rand, and other leading brands.
They are suitable for underground mining, surface quarrying, tunneling, and construction
projects.
Key Features
- Made of alloy steel body with tungsten carbide inserts
- Heat-treated for excellent wear resistance and durability
- Different button configurations (spherical, ballistic,
semi-ballistic) for various rock conditions
- Available in multiple face designs (flat face, drop center, retrac)
- High efficiency with stable performance in both soft and hard rock
R25 / R28 Drill Bits
| Part No. | Diameter (mm / in) | Button (Front + Gauge) | Flushing | Angle (°) | Weight (Kg / Lb) |
|---|
| BB38R25-521MP | 38 (1 1/2") | 2×7 + 5×9 | 1F2G | 35 | 0.5 / 1.1 |
| BB41R25-521MP | 41 (1 5/8") | 2×8 + 5×9 | 1F2G | 35 | 0.6 / 1.3 |
| BB43R25-521MP | 43 (1 11/16") | 2×9 + 5×9 | 1F2G | 35 | 0.7 / 1.5 |
| BB45R25-521MP | 45 (1 3/4") | 2×9 + 5×10 | 1F2G | 35 | 0.9 / 2.0 |
| BB51R25-521MP | 51 (2") | 2×10 + 5×11 | 1F2G | 35 | 1.0 / 2.2 |
| BB38R25-522MS | 38 (1 1/2") | 2×7 + 5×9 | 2F1G | 35 | 0.5 / 1.1 |
| BB41R25-522MS | 41 (1 5/8") | 2×8 + 5×10 | 2F1G | 35 | 0.6 / 1.3 |
| BB43R25-522MS | 43 (1 11/16") | 2×9 + 5×10 | 2F1G | 35 | 0.7 / 1.5 |
| BB45R25-522MS | 45 (1 3/4") | 2×8 + 5×11 | 2F1G | 35 | 0.9 / 2.0 |
| BB43R25-633MP | 43 (1 11/16") | 3×8 + 6×9 | 3F1G | 35 | 0.7 / 1.5 |
| BB45R25-633MP | 45 (1 3/4") | 3×8 + 6×9 | 3F1G | 35 | 0.9 / 2.0 |
| BB48R25-633MP | 48 (1 7/8") | 3×9 + 6×10 | 3F1G | 35 | 0.9 / 2.0 |
| BB51R25-633MP | 51 (2") | 3×9 + 6×10 | 3F1G | 35 | 1.0 / 2.2 |
R32 Drill Bits
| Part No. | Diameter (mm / in) | Button (Front + Gauge) | Flushing | Angle (°) | Weight (Kg / Lb) |
|---|
| BB41R32-521MP | 41 (1 5/8") | 2×8 + 5×9 | 1F2G | 35 | 0.6 / 1.3 |
| BB43R32-521MP | 43 (1 11/16") | 2×9 + 5×9 | 1F2G | 35 | 0.7 / 1.5 |
| BB45R32-521MP | 45 (1 3/4") | 2×9 + 5×10 | 1F2G | 35 | 0.9 / 2.0 |
| BB48R32-521MP | 48 (1 7/8") | 2×9 + 5×10 | 1F2G | 35 | 0.9 / 2.0 |
| BB51R32-521MP | 51 (2") | 2×10 + 5×11 | 1F2G | 35 | 1.0 / 2.2 |
| BB43R32-622MP | 43 (1 11/16") | 2×8 + 6×9 | 2F1G | 35 | 0.7 / 1.5 |
| BB45R32-622MP | 45 (1 3/4") | 2×9 + 6×9 | 2F1G | 35 | 0.9 / 2.0 |
| BB48R32-622MP | 48 (1 7/8") | 2×9 + 6×10 | 2F1G | 35 | 0.9 / 2.0 |
| BB51R32-622MP | 51 (2") | 2×10 + 6×11 | 2F1G | 35 | 1.0 / 2.2 |
| BB43R32-633MP | 43 (1 11/16") | 3×8 + 6×9 | 3F1G | 35 | 0.7 / 1.5 |
| BB45R32-633MP | 45 (1 3/4") | 3×8 + 6×9 | 3F1G | 35 | 0.9 / 2.0 |
| BB48R32-633MP | 48 (1 7/8") | 3×8 + 6×9 | 3F1G | 35 | 0.9 / 2.0 |
| BB51R32-633MP | 51 (2") | 3×9 + 6×10 | 3F1G | 35 | 1.0 / 2.2 |
| BB57R32-633MP | 57 (2 1/4") | 3×10 + 6×11 | 3F1G | 35 | 1.2 / 2.6 |
| BB64R32-633MP | 64 (2 1/2") | 3×11 + 6×12 | 3F1G | 35 | 1.6 / 3.5 |
R35 Drill Bits
| Part No. | Diameter (mm / in) | Button (Front + Gauge) | Flushing | Angle (°) | Weight (Kg / Lb) |
|---|
| BB48R35-633MP | 48 (1 7/8") | 3×9 + 6×10 | 3F1G | 35 | 0.9 / 2.0 |
| BB51R35-633MP | 51 (2") | 3×9 + 6×10 | 3F1G | 35 | 1.0 / 2.2 |
