Model Bit 9-7/8Inch, 251mm -Rotary Drilling Tools

IADC code: 635, 632. Open bearing / Sealed bearing. Designed for mining medium-hard and abrasive rock. such as Limestone, sandstone, dolomite, taconite, gold and copper mine;. Application: 29,000-38,000 PSI. Pin connection: 6 5/8" API Reg Pin; Product Weight: 65kg.