BSUNSUHSU core tool

The world's first universal core barrels

Drillman (Sandvik)'s new multifunctional SU (Surface and Underground) SSC projectile has interchangeable components and offers both a standard and overshot system.

The SU system has not only great flexibility, but also high cost-effectiveness, increased safety and productivity.

The system is easy to use and safe to use. There is no need to have different core barrel systems as this versatile system is suitable for both surface and underground applications.

•Two sizes, one system!

•NSU and HSU have interchangeable components - easy to rebuild between two frame sizes with a few simple component changes

•Fewer parts and spare parts

•Double use of one system!

•The system is used both from the surface and underground

•No need for different SSC column sets

•The versatility of the system results in cost savings!

Transformation from NSU to HSU with a few component changes

Unique NSU Components

1. Complete NSU head assembly

2. Latch (2x)

3. Spring pin (2x)

4. LS spacer

5. Landing shoulder

6. Washer (2x)

7. Shut off valve (2x)

8. Spacer

9. Nut

10. Inner tube connection NSU

Unique HSU Components

11. Spacer tube

12. Latch (2x)

13. Spring pin (2x)

14. LS spacer

15. Landing shoulder

16. Spacer

17. Shut off valve (2x)

18. Washer (2x)

19. Stabilizing tube

20. Spacer tube

21. Nut

22. Inner tube connection HSU

23. Spring pin

24. Complete HSU head assembly