1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 7040 6 ( ) 1 5, 8 10KS B ISO 7040:2008 2008 12 11 http:/www.kats.go.krKS B ISO 7040:2008 : ( ) ( ) () () () ( ) : (http:/www.standard.go.kr) ： ： 2003 11 18 ： 2008 12 11 2008-0871 ： ： ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 7040:2008 6
2、 ( ) 1 5, 8 10 Prevailing torque type hexagon nuts(with non-metallic insert), style 1 Property classes 5, 8 and 10 1997 2 ISO 7040, Prevailing torque type hexagon nuts(with non-metallic insert), style 1 Property classes 5, 8 and 10 , . 1 1, M3 M36 M16 A, M16 B 5, 8 10 6 ( ) . ISO 4032 . , ISO 261, I
3、SO 965 2, KS B ISO 2320 ISO 4759 1 . 2 . . ( ) . KS B ISO 2320, KS B ISO 3269, ISO 225： 1983, Fasteners Bolts, screws, studs and nuts Symbols and designations of dimensions ISO 261： 1998, ISO general purpose metric screw threads General plan ISO 965 2： 1998, ISO general purpose metric screw threads
4、Tolerances Part 2： Limits of sizes for general purpose bolt and nut threads Medium quality ISO 4032： 1986, Hexagon nuts, style 1 Product grades A and B ISO 4042： 1999, Fasteners Electroplated coatings ISO 4759 1： 2000, Tolerances for fasteners Part 1： Bolts, screws, studs and nuts Product grades A,
5、B and C ISO 6157 2： 1995, Fasteners Surface discontinuities Part 2： Nuts ISO 8992： 1986, Fasteners General requirements for bolts, screws, studs and nuts KS B ISO 7040:2008 2 3 1 1 ISO 225 . a b 15 30 c 90 120 1 1 ： mm (d) M3 M4 M5 M6 M8 M10 M12 (M14)aM16 M20 M24 M30 M36P b0.5 0.7 0.8 1 1.25 1.5 1.7
6、5 2 2 2.5 3 3.5 4 3.45 4.6 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6 25.9 32.4 38.9da 3.00 4.0 5.00 6.00 8.00 10.0 12 14.0 16.0 20.0 24.0 30.0 36.0dw 4.57 5.88 6.88 8.88 11.63 14.63 16.63 19.64 22.49 27.7 33.25 42.75 51.11e 6.01 7.66 8.79 11.05 14.38 17.77 20.03 23.36 26.75 32.95 39.55 50.85 60.79 4.5 6
7、00 6.80 8.00 9.50 11.9 14.9 17.0 19.1 22.8 27.1 32.6 38.9h 4.02 5.52 6.22 7.42 8.92 11.2 14.2 15.9 17.8 20.7 25.0 30.1 36.4mc 2.15 2.9 4.4 4.9 6.44 8.04 10.37 12.1 14.1 16.9 20.2 24.3 29.4mwd 1.72 2.32 3.52 3.92 5.15 6.43 8.3 9.68 11.28 13.52 16.16 19.44 23.52 5.50 7.00 8.00 10.00 13.00 16.00 18.00
8、 21.00 24.00 30.00 36 46 55.0s 5.32 6.78 7.78 9.78 12.73 15.73 17.73 20.67 23.67 29.16 35 45 53.8a . bP . c d 4 2 a bscmwm h seddadwKS B ISO 7040:2008 3 2 , ISO 8992 6H ISO 261, ISO 965 2 5 8 10 1 1 1 KS B ISO 2320 dM16： A d M16： B ISO 4759 1 . ISO 4042 . . ISO 6157 2 . KS B ISO 3269 5 1, M12 8 ( )
9、6 . 6 KS B ISO 7040 M12 8 6 ( ) 1 5, 8 10 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B ISO 7040:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Prevailing torque type hexagon nuts(with non-metallic insert), style 1 Property classes 5, 8 and 10 ICS 21.060.20
