Base Info
- Model NO.：7 7,8 Inch
- API Reg Pin：4 1,2 Inch
- Color：Golden or as Your Wish
- IADC：537
- Bit Size：7 7,8 Inch 200 mm
- Trademark：superior
- Transport Package：Wooden,Plywood Case
- Specification：Tugsten Carbide Inserts
- Origin：Hejian, China
- HS Code：8207191
Description