The Roughneck R400 Pneumatic Rock Hammer system is designed to drill at rates of up to 150 ft per hour. The system includes the R400 air hammer, 5.25-in. straight and offset bits, pullback kit, ...
The Roughneck R400 Pneumatic Rock Hammer system for the underground construction industry includes the R400 air hammer, 5.25-inch straight and offset bits, patent-pending pullback kit, control station ...
The Roughneck R400 Pneumatic Rock Hammer system includes the R400 air hammer, 5.25-in. straight and offset bits, pullback kit, control station/oiler, drill conversion kit and universal HD high-flow ...