1、 KS B ISO 7042KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 6 , 2 5, 8, 10 12KS B ISO 7042:2008 2008 11 5 http:/www.kats.go.krKS B ISO 7042:2008 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) ： ：2003 12 15 ：2008 11 5 2008-0730 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 7042:2008 6
2、 2 5, 8, 10 12 Prevailing torque type all-metal hexagon nuts, style 2 Property classes 5, 8, 10 and 12 1997 2 ISO 7042, Prevailing torque type all-metal hexagon nuts, style 2 Property classes 5, 8, 10 and 12 , . 1 2, M5M36 M16 A, M16 B 5, 8, 10 12 6 ( 6 .) . 1 mw hmax KS B ISO 4033 . 2 9 KS B ISO 7
3、720 . , ISO 261, ISO 965 2, KS B ISO 2320 ISO 4759 1 . 2 . . ( ) . KS B ISO 2320, KS B ISO 3269, KS B ISO 7720, 6 , 2 9 KS B ISO 8992, , , ISO 225： 1983, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO 261： 1998, ISO general purpose metric screw threads General pla
4、n ISO 965 2： 1998, ISO general purpose metric screw threads Tolerances Part 2： Limits of sizes for general purpose external and internal screw threads Medium quality ISO 4042： 1999, Fasteners Electroplated coatings ISO 4759 1： 2000, Tolerances for fasteners Part 1： Bolts, screws, studs and nuts Prod
5、uct grades A, B and C KS B ISO 7042:2008 2 ISO 6157 2： 1995, Fasteners Surface discontinuities Part 2： Nuts 3 1 1 ISO 225 . a b 1530 c 90120 1 1 ： mm ( d ) M5 M6 M8 M10 M12 (M14)aM16 M20 M24 M30 M36Pb0.8 1 1.25 1.5 1.75 2 2 2.5 3 3.5 4 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6 25.9 32.4 38.9da 5.00 6.00
6、 8.00 10.0 12 14.0 16.0 20.0 24.0 30.0 36.0dw 6.88 8.88 11.63 14.63 16.63 19.64 22.49 27.7 33.25 42.75 51.11e 8.79 11.05 14.38 17.77 20.03 23.36 26.75 32.95 39.55 50.85 60.79 5.1 6.0 8.00 10.00 12.00 14.1 16.4 20.3 23.9 30.0 36.0h 4.8 5.4 7.14 8.94 11.57 13.4 15.7 19.0 22.6 27.3 33.1mwc 3.52 3.92 5.
7、15 6.43 8.3 9.68 11.28 13.52 16.16 19.44 23.52 8.00 10.00 13.00 16.00 18.00 21.00 24.00 30.00 36 46 55.0s 7.78 9.78 12.73 15.73 17.73 20.67 23.67 29.16 35 45 53.8a . bP . c a b c KS B ISO 7042:2008 3 4 2 2 KS B ISO 8992 6H ISO 261, ISO 965 2 5 8 10 12 a 1 d M16 1 M16 M16： B ISO 4759 1 ISO 4042 . . I
8、SO 6157 2 . KS B ISO 3269 a ( hmin) 2 . 2 KS B ISO 2320 1 . 5 2, M12 8 6 . 6 KS B ISO 7042 M12 8 KS B ISO 7042:2008 4 A ( ) 1 KS B ISO 4033, 6 , 2 A B 2 KS B ISO 7720, 6 , 2 9 6 , 2 5, 8, 10 12 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B ISO 7042:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Prevailing torque type all-metal hexagon nuts, style 2Property classes 5, 8, 10 and 12 ICS 21.060.20
