Epiroc introduces the Pit Viper 291 | Epiroc
Sep 13, 2021· Epiroc's Pit Viper 291 single-pass rotary drill is designed to tackle larger diameter drilling in soft to medium ground conditions. Capable of 11 inch to 12 1/4 inch (279 mm to 311 mm) diameter holes with 85,000 lb (38 tonnes) bit load capacity, the new Pit Viper 291 brings unsurpassed performance to any drilling operation and further extends the industry leading Epiroc Pit Viper range.