Drilling Tools

1. Core lifter, Core-lifter case, Extension tube
2. Core Barrel
3. Thread Joint Pin
4. Joint Pin of Drilling Rod
5. Joint Pin of Rock-core Barrel

6. Joint Pin of Barrel
7. Joint Pin of Mini-Diameter (Male)
8. Joint Pin of Mini-Diameter (Female)
9. Wireline Drill Tools-Joint Pin of Drilling Rod (Male)
10. Wireline Drill Tools-Joint Pin of Drilling Rod (Female)