4" DTH Hammer
RH40 - Uses 340 Shank DTH Bit
Designed for drilling 4" and larger holes.
- Wearsleeve is reversible.
- The piston is the only moving part making this hammer very reliable.
- All external parts are hardened to resist wear.
- Designed for maximum penetration while using minimal fuel consumption.
- Still utilizes long proven piston design.
- All parts are made from US Certified Steel.