BD040 RC Reverse Circulation Hammer
Compatibility: RE040, PR40, RE052, MR120, AD660
Black Diamond Drilling offers a complete range of reverse circulation hammers along with fully integrated R.C. Bits and Shrouds that have been designed to provide a world-class sampling system. Precision engineering enables our R.C. Hammers to excel in maintaining an efficient and smooth flow of drill cuttings to the surface, ensuring cleaner, more accurate samples. This leads to more reliable data for exploration and better overall hole quality.
| Item | Diameter Ø | |
| mm | inch | |
| BD040 RC Hammer | 120.5 | 4 3/4 |
| Bit | 125 - 152 | 4 7/8 - 5 3/4 |
| Suits medium to hard ground conditions | ||
BD5040 RC Reverse Circulation Hammer Parts List
BD040 RC Reverse Circulation Hammer Parts List
| Top Sub | Part Number | Description | Amount | Compatibility |
| A | Top Sub Assy Remet 4" | |||
| 1 | BD040-TSUB-R4 | Top Sub Remet 4" | 1 | 33-040-R40 |
| 2 | BD040-SK-ASCREEN-R4 | O Ring (Adaptor Tube Remet 4") | 2 | 38-040-001 |
| 3 | BD040-ASCREEN-R4 | Adaptor Tube Remet 4" | 1 | 20-052-R40 |
| 4 | BD040-AIRSCREEN | Air Screen | 1 | 21-040-00B |
| 5 | BD040-SK-AIRSCREEN | O Ring (Air Screen) | 2 | 38-040-001 |
| 6 | BD040-CIRCLIP | Circlip | 1 | 41-D1400-0450 |
| B | Top Sub Assy Metzke 4" | |||
| 1 | BD040-TSUB-M4 | Top Sub Metzke 4" | 1 | 33-040-M40 |
| 2 | BD040-ASCREEN-M4 | Adaptor Tube Metzke 4" | 1 | 20-040-M40 |
| 3 | BD040-AIRSCREEN | Air Screen | 1 | 21-040-00B |
| 4 | BD040-SK-AIRSCREEN | O Ring (Air Screen) | 2 | 38-040-001 |
| 5 | BD040-CIRCLIP | Circlip | 1 | 41-D1400-0450 |
| C | Top Sub Assy Metzke 4.5" | |||
| 1 | BD040-TSUB-M4.5 | Top Sub Metzke 4.5" | 1 | 33-040-M45 |
| 2 | BD040-ASCREEN-M4.5 | Adaptor Tube Metzke 4.5" | 1 | 20-040-M45 |
| 3 | BD040-AIRSCREEN | Air Screen | 1 | 21-040-00B |
| 4 | BD040-SK-AIRSCREEN | O Ring (Air Screen) | 2 | 38-040-001 |
| 5 | BD040-CIRCLIP | Circlip | 1 | 41-D1400-0450 |
| D | Top Sub Assy Remet 4.5" | |||
| 1 | BD040/52-SK-ASCREEN-R4.5 | O Ring (Adaptor Tube Remet 4.5") | 2 | 41-D1400-0450 |
| 2 | BD040/52-ASCREEN-R4.5 | Adaptor Tube Remet 4.5" | 1 | 20-040-R45 |
| 3 | BD040/52-CIRCLIP-1 | Circlip A | 1 | 41-D1300-0850 |
| 4 | BD040/52-AIRSCREEN-R4.5 | Air Screen | 1 | 21-040-00T |
| 5 | BD040/52-CIRCLIP-2 | Circlip B | 1 | 41-D1400-0520 |
| 6 | BD040-TSUB-R4.5 | Top Sub Remet 4.5" | 1 | 33-040-R45 |
| Hammer | Product Code | Description | Amount | Compatibility |
| 7 | BD040/52-CVALVE | Check Valve/Plunger | 1 | 25-052-000 |
| 8 | BD040/52-SK-CVALVE | Y Ring (Check Valve) | 1 | 38-040-001 |
| 9 | BD040/52-SPRING | Spring | 1 | 22-040-000 |
| 10 | BD040/52-SSEAT | Spring Seat | 1 | 39-040-000 |
| 11 | BD040/52-MUR-STEEL | Make Up Ring, Steel | 1 | 24-040-000 |
| 12 | BD040/52-MUR-VITON | Make Up Ring, Viton | 1 | 28-040-000 |
| 13 | BD040/52-DIST | Distributor | 1 | 29-040-000 |
| 14 | BD040/52-SK-DIST | O Ring (Distributor) x1 | 1 | 38-040-001 |
| 15 | BD040-SK-STUBE1 | O Ring (Sample Tube) x2 | 2 | 38-040-001 |
| 16 | BD040-SK-STUBE2 | O Ring (Sample Tube) x1 | 1 | 38-040-001 |
| 17 | BD040-STUBE | Sample Tube Lower | 1 | 37-040-000 |
| 18 | BD040-STUBE-MOUNT | Mount Sample Tube | 1 | 30-040-000 |
| 19 | BD040-SK-STUBE-M | O Ring (Mount Sample Tube) x1 | 1 | 38-040-001 |
| 20 | BD040-ICYL | Inner Cylinder | 1 | 31-040-000 |
| 21 | BD040-PISTON | Piston | 1 | 36-040-000 |
| 22 | BD040-ECYL | External Cylinder/Piston Case | 1 | 35-040-000 |
| 23 | BD040-PRING | Piston Retaining Ring | 1 | 23-040-000 |
| 24 | BD040-BUSH | Bearing Bush | 1 | 26-040-000 |
| 25 | BD040-SK-BUSH1 | O Ring (Bearing Bush) x1 | 1 | 38-040-001 |
| 26 | BD040-SK-BUSH2 | O Ring (Bearing Bush) x1 | 1 | 38-040-001 |
| 27 | BD040-SRING | Bit Stop Ring | 1 | 27-040-000 |
| 28 | BD040-SK-SRING | O Ring (Bit Stop Ring) x1 | 1 | 38-040-001 |
| 29 | BD040-SHROUD-136/134 | Shroud | 1 | 40-040-506 |
| 30 | BD040-DSUB | Drive Sub | 1 | 16-040-000 |
| 31 | BD040-135DC-TV | Drill Bit | 1 | 63-040-506DC |
| 32 | BD040-SK | Seal Kit (Item 2+5+8+14+15+16+19+25+26+28) | 1 | 38-040-001 |
Bit Selection Table
Shroud Selection Table
Bit Selection Table
| Bit Product Code | Diameter | Compatibility | |
| Metric | Imperial | ||
| BD040-124DC-TPD | 124mm | 4 7/8" | - |
| BD040-127DC-TPD | 127mm | 5" | 63-040-502DC |
| BD040-133DC-TPD | 133mm | 5 1/4" | 63-040-504DC |
| BD040-140DC-TPD | 140mm | 5 7/16" | 63-040-508DC |
Shroud Selection Table
| Shroud Product Code | Diameter | Compatibility | |
| Metric | Imperial | ||
| BD040-SHROUD-124/121.5-DB | 124mm | 4 7/8" | 40-040-413 |
| BD040-SHROUD-127/124.5-DB | 127mm | 5" | 40-040-415 |
| BD040-SHROUD-133/130.5-DB | 133mm | 5 1/4" | 40-040-503 |
| BD040-SHROUD-140/137.5-DB | 140mm | 5 1/2" | 40-040-507 |
| BD040-SHROUD-152/149.5-DB | 152mm | 6" | - |
General Specifications
Air Consumption
General Specifications
| Description | Metric | Imperial |
| Piston Case OD | 120.5 | 4 3/4" |
| Hammer Length | 1362mm | 4' 5 5/8" |
| Hammer Weight | 80.5 kg | 177lb 6oz |
| Bit Size Range | 124 - 152mm | 4 7/8 - 5 3/4" |
| Drill Rod Diameter | 114mm | 4 1/2" |
| Spanner Flat Width - Inner Cylinder | 51mm | 2" |
| Spanner Flat Width - Top Sub | 51mm | 2" |
Air Consumption
| Pressure | Consumption | ||
| psi | bar | cfm | m3/min |
| 400 | 27.6 | 850 | 24.0 |
| 450 | 31.1 | 925 | 25.1 |
| 500 | 34.5 | 1000 | 28.3 |
| 550 | 38.1 | 1050 | 29.8 |
| 600 | 41.4 | 1125 | 32.0 |