DIN 7984 08.8 / 8.8 Theheadmarkingis determining BN 17 Hex socket head cap screws Fastenerstothegivenspecificationhaveareduced withlowhead,partially/fullythreaded loadabilityduetotheheadgeometryaccordingtoISO898-1. Steel08.8/8.8 zincplatedblue ~UNI9327 Article d d k s t b L 1 2 3186756 M3 5,5 2 2 1,5 - 5 5503266 6 3186761 8 5503267 10 5503268 12 3646125 16 3646126 12 20 3646127 25 3646128 30 5503269 M4 7 2,8 2,5 2,3 - 6 1019643 8 1019651 10 1019678 12 1019694 16 1019708 20 1019716 14 25 3055508 30 3646129 35 3646131 40 3170948 M5 8,5 3,5 3 2,7 - 6 1019724 8 1019732 10 1019740 12 1019759 (14) 1 Article d d k s t b L 1 2 1019767 M5 8,5 3,5 3 2,7 - 16 1019775 20 1019783 25 1019791 16 30 3055509 35 3646132 50 1019805 M6 10 4 4 3 - 10 1019813 12 1019821 (14) 1019848 16 1019856 20 1102257 25 1019864 18 30 3055511 35 3186762 40 3186763 50 1019872 M8 13 5 5 3,8 - 12 1019880 (14) 1019899 16 3186764 (18) 1019902 20 1019910 25 1019929 30 3055513 22 35 3186765 40 3186766 50 3186767 60 3170950 M10 16 6 7 4,5 - 12 3170951 14 1019937 16 1019945 20 1019953 25 1019961 30 3055514 35 3170952 26 40 3170954 50 3170957 M12 18 7 8 5 - 20 3170958 25 5513569 30 3170959 35 5503277 40 2