Geoprobe® 7822DT Concrete Coring
More power . . . More options. The Geoprobe® GH64 percussion hammer designed specifically for the Geoprobe® 7822DT machine features a Modular Percussion Power Cell and integrated two-speed, bi-directional rotation. The two speed, bi-directional feature allows users to perform numerous rotational applications, including surface pavement coring and in some conditions subsurface rock coring, with a rotation speed of up to 500 rpm.