Hydraulic Rock Breaker Jack Hammer For Hitachi Excavator EX550 ZX600
Features:
1. Cylinder & valves: prevents scuffing with precision finishing
treatment;
2. Piston: every piston tolerance is machined perfectly accord
ing to each cylinder;
3. Chisel: 42CrMo, exceptional performance and reliability.
4. Vibration & noise dampening system-Urethane cushions
and wear plates-Operator-friendly:less recoil & less noise.
Valve adjuster for irnpact rate contral