Base Info
- Model NO.：IADC 437
- Standard：JIS, AISI, API
- Length：Jobber-length
- Type：Twist Drill Bit
- Material：Tungsten Carbide
- Superior Drilling Tools：Superior Roller Cone
- Trademark：superior
- Transport Package：Wooden Case
- Specification：IADC 437
- Origin：Hejian, China
Description