8 1/2" Single Roller Cone for Tricone Rock Bits and Hole Opener
Beijing Superior Drilling Equipment Co., Ltd.Base Info
- Model NO.：8 1,2 Inch
- Customized：Customized
- Standard：API
- Length：Stub-length
- Type：Drag Bit
- Material：Tungsten Carbide
- Usage：Well Drilling
- Trademark：Superior
- Transport Package：Wooden Cases
- Specification：3 3,8" ~26"
- Origin：China (Mainland)
- HS Code：8431432000
Description