Tri-MACH DTH Shock ABSORBERS
DTH shock absorbers significantly reduce harmful impact loads generated during Down-The-Hole drilling operations. By softening and absorbing the return pulse created by each hammer blow, the shock absorber protects critical drilling components from excessive stress and vibration. DTH shock absorbers have the greatest benefit in hard rock and broken formations.
DTH Shock Absorbers – Technical Specifications & Model Overview

| SHOCK ABSORBER | EFFECTIVE LENGTH [mm] | OUTSIDE DIAMETER [mm] | WEIGHT [kg] | STANDARD JOINTS | OPTIONAL JOINTS |
|---|---|---|---|---|---|
| SA-TM50-API312 | 514 | 115 | 33 | API REG 3-1/2″ | |
| SA-TM60-API312 | 585 | 140 | 53 | API REG 3-1/2″ | |
| SA-TM80-API412 | 591 | 178 | 99 | API REG 4-1/2″ | |
| SA-TM100-API658 | 724 | 216 | 164 | API REG 6-5/8″ | |
| SA-TM120-API658 | 826 | 265 | 310 | API REG 6-5/8″ | |
| SA-MK180-HEX210 | 820 | 440 | 750 | HEX210 | API REG 8-5/8″ |
| SA-MK240-HEX210 | 866 | 577 | 1180 | HEX210 | API REG 8-5/8″ |
| SA-MK360-HEX350 | 880 | 682 | 1650 | HEX350 |
DTH Shock Absorbers With Flexible Installation Options
The shock absorber can be installed according to application requirements:
- Directly above the DTH hammer for maximum drill string protection
- Below the rotary head to protect the drilling rig and drive components
This flexibility allows optimal protection across a wide range of drilling setups and ground conditions.
Available with multiple connection options to match existing drilling equipment:
- HEX joints
- API threaded connections
Sizes available from 5″ to 48″, covering applications from standard foundation drilling to large-diameter casing and piling operations.
Built for Heavy-duty Drilling Enviroments
Designed for heavy-duty drilling environments, the shock absorber features a simple and robust mechanical structure that ensures reliable performance even under continuous high-impact operation.
- Reliable operation in harsh drilling conditions
- Simple, strong construction
- Low maintenance requirements
Palvelualueet
Palvelemme porareita, työmaiden ja projektien vetäjiä sekä porausurakoitsijoita Suomessa, Ruotsissa, Norjassa, Tanskassa, Sveitsissä, Saksassa, Itävallassa, Isossa-Britanniassa, Italiassa, Islannissa, Puolassa, Virossa, Latviassa ja Liettuassa. Toimitamme kaluston nopeasti, tarjoamme teknisen tuen ja räätälöimme DTH-porausjärjestelmät Pohjois- ja Keski-Euroopan maaperäolosuhteisiin.
Soveltuvat tuotteet:
- DTH-uppovasarat
- DTH Drill Rods
- DTH pyöritysvaihteet
FAQ: DTH Shock Absorbers
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Matias Niemeläinen
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