311.2mm Oil Drilling Bits / Tungsten Carbide Insert Bit / Tricone Roller Rock Bit
Beijing Superior Drilling Equipment Co., Ltd.Base Info
- Model NO.：311.2mm IADC617 Tri-Cone Bit
- Material：Tungsten Carbide
- Usage：Well Drilling
- Trademark：FEILONG
- Transport Package：Wooden Box
- Specification：420mm*420mm*600mm
- Origin：China
- HS Code：82071910
Description