McMillen Rock RipperĀ® Augers are made for solid, fracturable rock, frozen ground and compacted soils. These rock augers feature bullet-style teeth and a fabricated boring head, as well as heavy-duty single flighting. This auger comes in 2" hexagon collar only and is available in 4' length. The auger has a 0.75" thick bottom flight and a hard face outer edge.
Features may include: