Becker Hammer – Earth Drilling Co. Ltd.
The percussion hammer drill uses a powerful double-acting diesel pile driving hammer to drive dual wall steel drive pipe into the ground while reverse air circulation removes formation material to clear the borehole. The hammer generates 8,100 ft. lbs. of force with each blow and delivers up to 95 blows per minute. The Becker Hammer rig’s bit and outer wall of the drive pipe are about the same diameter allowing the drive pipe to remain in continuous contact with the borehole, …Get Price