API 8 1/2" Replaceable Single Roller Cone for Foundation Piling Core Barrel
Beijing Superior Drilling Equipment Co., Ltd.Base Info
- Model NO.：SPA22
- Customized：Customized
- Standard：API
- Length：Stub-length
- Type：Center Drill Bit
- Material：Tungsten Carbide
- Trademark：SUPERIOR
- Transport Package：Wooden Case
- Origin：China
- HS Code：8207191000
Description