Base Info
- Model NO.：42 ′′hole opener
- Customized：Customized
- Standard：JIS, AISI, API
- Length：Stub-length
- Type：Twist Drill Bit
- Material：Tungsten Carbide
- Usage：Well Drilling
- Superior Drilling Tools：Superior Drilling Bit
- Trademark：superior
- Transport Package：Wooden Case
- Specification：accordingly
- Origin：Hejian, China
Description