55742 2013II1 - - ( ) , 42 229 3 - 8 2013 . 1463-4 34802:2001 - (DIN 34802:2001 Hexalobular socket head cap screw with large driving feature) - . - 1.5-2012 ( 3.5). - , 5 1.0 2012 ( 8). - ( 1 ) , - . ( ) - . , (gost.ru) , 2014 , - 55742 20132 . , - , ( ). , , , , , . , , , , .3 1 1.3 4753.b u 2P. ds , ls.d v . dw .f dw.g dkc :lfmax =1,7 r max;rmax =(da,max ds, max) /2;rmin, . 1. 1 55742 20139ISO 14579, Zylinderschrauben mit Innensechsrund (ISO/DIS 14579:1999).59