The New GW 500High performance hammer drills under a head of water typically suited to Water Well and Geothermal applications.
Its robust non ported piston design improves the hammer strength and increases air flow efficiency. A choke facility helps to adjust air flow through the hammer.
The 500 GW is fitted with a reversible cylinder to prolong the service life.
Suitable for operation at air pressures up to 30 bar.
Available Shanks: IR DHD 350.