Model Bit 9Inch, 229mm -Rotary Drilling Tools

IADC code: 425, 422. Open bearing / Sealed bearing. Designed for mining very soft rock. such as shale, soft limestone, soft sandstone, soft dolomite, and coal mine; Application: 4,000-7,000 PSI. Pin connection: 6 5/8" API Reg Pin; Product Weight: 50kg.