DIN 912 ISO 4762 Standardwithdrawn BN 610 Hex socket head cap screws ThecommercialqualityofsteelgradesA2andA4is fullythreaded propertyclass70(tensilestrength700N/mm).Strengthof thescrewisindicatedbytheheadmarkinganddefinedby StainlesssteelA2 theapplicableproductstandard. ~UNI5931 ~CSN021143 Article d d k max. s t min. L 1 2 1420526 M2 3,8 2 1,5 1 3 1420550 4 1420569 5 1420577 6 1420585 8 1420593 10 1420607 12 1420682 16 1420712 M2,5 4,5 2,5 2 1,1 4 1421506 5 1422103 6 1422111 8 1422537 10 1422693 12 1422871 16 1422898 20 1233084 M3 5,5 3 2,5 1,3 4 1233092 5 1233106 6 1233114 8 1233122 10 1233130 12 Article d d k max. s t min. L 1 2 1111329 M3 5,5 3 2,5 1,3 (14) 1233149 16 1032631 (18) 1032658 20 3093178 25 1208047 M4 7 4 3 2 5 1233173 6 1233181 8 1233203 10 1233211 12 1111353 (14) 1233238 16 1111361 (18) 1233246 20 1032739 25 8313881 30 1208055 M5 8,5 5 4 2,5 6 1233262 8 1233270 10 1233289 12 1112333 (14) 1233297 16 1112341 (18) 1233300 20 1135171 (22) 1233319 25 3092533 30 8266808 M6 10 6 5 3 6 1208063 8 1233335 10 1233343 12 1432249 (14) 1233351 16 1432257 (18) 1233378 20 1432265 (22) 1233386 25 1032844 30 5513555 35 5514964 40 5515086 50