(ZOBO2.3-03) For drilling system 2 and drilling system 3. D S With threaded shank DIN 913 Code 10-25 9 M5x5 / SW 2.5 ZOBO762583 10-30 9 M6x6 / SW 3 ZOBO762584 31-40 12 M6x5 / SW 3 ZOBO762585 31-50 12 M6x8 / SW 3 ZOBO762586