Roller Cone & PDC Pilot Bit for Hard Rock HDD Drilling
Beijing Superior Drilling Equipment Co., Ltd.Base Info
- Model NO.：Tricone and PDC pilot bit
- Customized：Non-Customized
- Standard：AISI, API
- Length：Taper-length
- Type：Pilot Bit
- Material：Tungsten Carbide
- Usage：Well Drilling
- Trademark：Superior
- Specification：4 3,4"-12 1,4"
- Origin：China
- HS Code：82071910
Description