CORE BARREL
D Ø(mm.) Recommended Casing Usage
500 600/520
520 620/540
550 700/620
600 700/620
630 730/650
650 750/670
700 800/720
750 880/800
780 880/800
800 1000/920
880 1000/920
900 1000/920
970 1080/1000
980 1080/1000
1000 1200/1120
1060 1200/1120
1080 1200/1120
1100 1280/1200
1160 1280/1200