Suitable for excavator mounting. Variable speed units need a separate casing drain line. Powered by heavy duty high pressure Parker hydraulic motors with Planetary reduction gear units.
Guidelines on Installation Equipment
Kt= Empirical torque factor

* High Torque versions can be produced
Speed of anchor installation.
Eg: Average is 3” per rev or 13 revs per metre. Therefore on only 6 revs/min you will still drill ½ metre a minute.