Reverse Circulation DTH Drill Bit
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As a prominent RC drilling solution provider, we are proud to offer a wide selection of RC hammers and RC hammer bits. Specifications of our reverse circulation DTH drill bits are shown below. Check it now and contact us if you are interested.
| Bit Shank Chart for High Pressure, High Efficiency DTH Hammers | |||
| Bit Shank Chart for Reverse Circulation DTH Hammers | |||
| SPMF335 L=181mm Spline=8 | | SPMF365 L=225mm Spline=8 | |
| SPMF345 L=225mm Spline=8 | | SPMF385 L=273mm Spline=8 |
| SPMF355 L=225mm Spline=8 | ||
| SPMF3105 L=254mm Spline=8 | | SPMF3125 L=261mm Spline=8 |
| Part No. | Number of Air Hole | Diameter (mm) | Gauge Buttons | Front Buttons | Matching DTH Hammer |
| 2 | 95-98 | 8 ×Φ14 | 6 ×Φ13 | SPMF335 | |
| 2 | 105-108 | 8 ×Φ14 | 6 ×Φ13 | ||
| 2 | 115-118 | 8 ×Φ14 | 7 ×Φ13 | SPMF345 | |
| 2 | 127-130 | 8 ×Φ14 | 7 ×Φ13 | ||
| 2 | 133-136 | 12 ×Φ14 | 4 ×Φ13 | SPMF355 | |
| 2 | 140-143 | 14 ×Φ14 | 5 ×Φ13 | ||
| 2 | 175-178 | 14 ×Φ16 | 7 ×Φ14 | SPMF365 | |
| 2 | 195-198 | 8 ×Φ16 | 13 ×Φ16 | ||
| 3 | 203-206 | 12 ×Φ16 | 13 ×Φ14 | ||
| 3 | 216-219 | 12 ×Φ16 | 16 ×Φ14 | ||
| 3 | 216-219 | 12 ×Φ16 | 16 ×Φ14 | SPMF385 | |
| 3 | 254-257 | 10 ×Φ16 | 16 ×Φ16 | ||
| 3 | 254-257 | 10 ×Φ18 | 14×Φ16 | SPMF3105 | |
| 3 | 273-276 | 10 ×Φ18 | 16×Φ16 | ||
| 3 | 305-308 | 10 ×Φ18 | 20×Φ16 | ||
| 3 | 311-314 | 10 ×Φ18 | 20×Φ16 | SPMF3125 | |
| 3 | 355-358 | 10 ×Φ18 | 24×Φ16 | ||
| 3 | 381-384 | 10 ×Φ18 | 26×Φ16 | ||
| a) Not marked gauge buttons and fronts buttons are all spherical buttons. b) Code name: SPM Hammer Model Drill Bit Diameter Example: SPMF345-115 345= Model of matching DTH hammer; 115= Diameter of Reverse Circulation Drill Bits (mm) ※Above technical parameters are used for reference only. | |||||
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