IADC 637 Roller Cone for Trenchless Hard Rock Formation
Beijing Superior Drilling Equipment Co., Ltd.Base Info
- Model NO.：SPA43
- Customized：Customized
- Standard：AISI, API
- Length：Taper-length
- Type：Center Drill Bit
- Material：Tungsten Carbide
- Usage：Well Drilling
- Trademark：SUPERIOR
- Transport Package：Wooden Case
- Specification：637
- Origin：China
- HS Code：8207191000
Description