Spare parts for Secoroc COP 44 Gold down-the-hole hammer
This page includes spare parts, kits and complete configurations for the Secoroc COP 44 Gold down-the-hole hammer. The listed components are used for maintenance, overhaul and replacement of key internal and external hammer parts in demanding drilling applications.
Available spare parts
| Ref. | Part | Prod. No. |
|---|---|---|
| 1 | Exhaust tube | 90516004 |
| 2 | Driver chuck | 89001475 |
| 2 | Driver chuck with guide 114 mm | 89010161 |
| 3 | O-ring for bit retaining ring | — |
| 4 | Bit retaining ring assembly incl. O-ring | 89001476 |
| 5 | Casing | 89001478 |
| 5 | Casing with guide 114 mm | 89010162 |
| 6 | Piston | 89001477 |
| 7 | Lock ring | 89001480 |
| 8 | Control tube | 89001479 |
| 9 | Lower buffer | 89001482 |
| 10 | Upper buffer | 89001481 |
| 11 | Cover assembly incl. O-ring | 89001483 |
| 12 | O-ring for cover | — |
| 13 | Spring stop incl. in item 14 | — |
| 14 | Friction spring set assembly | 89001484 |
| 15 | Valve body incl. in item 14 | — |
| 16 | Spring check valve | 89001019 |
| 17 | Check valve assembly incl. seal | 89001020 |
| 18 | Seal check valve | 89001021 |
| 19 | O-ring for backhead | — |
| 20 | Backhead assembly, 2 3/8 API Reg Pin, incl. O-ring | 89001470 |
| 20 | Backhead assembly, 2 7/8 API Reg Pin, incl. O-ring | 89001579 |
| 20 | Backhead assembly CUBEX #24 incl. O-ring | 89001472 |
| 20 | Circlip (CUBEX only) | 44000234 |
| 20 | O-ring (CUBEX only) | 86007926 |
Complete hammers and kits
| Part | Prod. No. |
|---|---|
| COP 44 Gold complete, 2 3/8 API Reg Pin | 89001469 |
| COP 44 Gold complete, 2 7/8 API Reg Pin | 89001573 |
| COP 44 Gold complete, CUBEX #24 | 89001471 |
| COP 44 Gold complete, 2 3/8 API Reg Pin with guided casing, OD 114 mm | 89010163 |
| COP 44 Gold complete, 2 3/8 API Reg Pin with guiding casing and chuck, OD 114 mm | 89010326 |
| O-ring kit incl. item 5x3, 12, 19 | 89001487 |
| Economy kit, 2 3/8 API Reg Pin incl. item 2, 5x3, 5, 7, 9, 10, 12, 19 | 89001473 |
| Economy kit, 2 7/8 API Reg Pin incl. item 2, 5x3, 5, 7, 9, 10, 12, 19 | 89001580 |
| Economy kit, CUBEX #24 incl. item 2, 5x3, 5, 7, 9, 10, 12, 19, 20 | 89001474 |
Wear limits
| Component | Limit |
|---|---|
| Casing | Min. OD 92 mm |
| Piston / Casing clearance | Max. 0.2 mm |
| Piston / Control tube clearance | Max. 0.2 mm |
| Foot valve | Min. OD 32.05 mm |
| Exhaust tube protrusion | 57 +/- 1 mm |
Some sealing elements, including selected O-rings, are not supplied separately and are included in the corresponding service kits. The listed spare parts and assemblies are intended to support overhaul, maintenance and reliable operation of the COP 44 Gold hammer in demanding drilling conditions.
Contact our team to request pricing and availability or browse more DTH hammer spare parts.