Model Bit 12-1/4Inch, 311mm -Rotary Drilling Tools

IADC code: 825, 822. Open bearing / Sealed bearing.Designed for mining very hard and abrasive rock.  such as hard granite, quartzite, iron ore and diamond mine; Application: 46,000-56,000 PSI. Pin connection: 6 5/8" API Reg Pin; Product Weight: 98kg.