DIN 912 ISO 4762 Standardwithdrawn BN 612 Hex socket head cap screws ThecommercialqualityisclassA2-70andA4-70 2 fullythreaded (tensilestrength700N/mm )forthreaddiametersM5-M24 andwithlengthsupto8xthreaddiameter(8xd). StainlesssteelA4 ~UNI5931 ~CSN021143 Article d d k max. s t min. L 1 2 1233564 M1,4 2,6 1,4 1,3 0,6 3 1233572 4 1233580 5 1233599 6 1233602 M1,6 3 1,6 1,5 0,7 3 1233610 4 1233629 5 1233637 6 1348442 8 1748688 10 1749331 12 3646522 14 3646523 16 3646524 20 1233645 M2 3,8 2 1,5 1 3 1233653 4 1233661 5 1233688 6 1233696 8 1233718 10 1233726 12 1749366 (14) 1420453 16 1749455 (18) 1 Article d d k max. s t min. L 1 2 1748971 M2 3,8 2 1,5 1 20 1233734 M2,5 4,5 2,5 2 1,1 4 1233742 5 1233750 6 1233769 8 1233777 10 1169645 12 1749005 (14) 1169653 16 1749021 (18) 1420461 20 1749072 25 1208136 M3 5,5 3 2,5 1,3 4 1208144 5 1233785 6 1233793 8 1233807 10 1233815 12 1233823 (14) 1233831 16 1749080 (18) 1033085 20 1749129 (22) 1208152 M4 7 4 3 2 6 1233882 8 1233890 10 1233904 12 1233912 (14) 1233920 16 1749145 (18) 1233939 20 1749161 (22) 1033093 25 1670697 M5 8,5 5 4 2,5 6 1208160 8 1233998 10 1234005 12 1234013 (14) 1234021 16 1134221 (18) 1234048 20 2