Virnig Auger Bits - Rock

The Virnig Auger Bits - Rock are heavy‑duty drilling bits designed for demanding rock work. Built for contractors and rental fleets, they excel when you’re penetrating solid and fracturable rock, compacted soils, frozen ground, asphalt, or concrete. Diameter options: Available in 6", 9", 12", 16", and 18" rock diameters to match your bore size and project requirements. Overall length: 48" length on all models for deep, stable drilling performance. Input size: 2" hex collar input for broad compatibility with a wide range of drill rigs. Construction: Cast steel boring head with a single flighting design for durability and straightforward maintenance. Teeth system: Standard Rotating Bullet Teeth with replaceable bullet teeth for easy wear management; includes CDR Rock Pilot for steady starts and guiding accuracy. Weight by model: 85 lbs (RAV6), 110 lbs (RAV9), 140 lbs (RAV12), 160 lbs (RAV16), 200 lbs (RAV18) to suit different drilling demands and machine capabilities. Applications: Specifically engineered for solid rock, fracturable rock, compacted soils, frozen ground, asphalt, and concrete drilling projects. These rock bits pair rugged casting with precise engineering to deliver reliable holes when the going gets tough. The replaceable bullet teeth reduce downtime by letting you refresh worn teeth on the jobsite, while the rotating teeth design helps minimize clogging and maintain consistent bite. With a 48" length and a 2" hex input, you can tackle deep bores without sacrificing compatibility or performance. Choose the right diameter for your task, and rely on Virnig to power through challenging substrates with efficiency and control. Model Description Length (inches) Bullet Teeth Weight (lbs) RAV6 6" Rock 48 6 85 RAV9 9" Rock 48 10 110 RAV12 12" Rock 48 12 140 RAV16 16" Rock 48 16 160 RAV18 18" Rock 48 18 200