Shank Mimimum Hole Size Number of Splines Mincon DTH Hammer(s)
MC30 85mm 3 3/8" 8 MC30
MC42 110mm 4 3/8" 10 MC40
MC43 110mm 4 3/8" 10 MC43
MC51 130mm 5" 12 MC55
MC61 149mm 5 7/8" 12 MC60, MC65
MC70 191mm 7 1/2" 14 MC70
MC81 200mm 7 7/8" 16 MC80