1、 KS B ISO 7044KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 6 A BKS B ISO 7044:2008 2008 11 5 http:/www.kats.go.krKS B ISO 7044:2008 : ( ) ( ) () () () ( ) : (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 7044:2008 6 A B Prevaili
2、ng torque type all-metal hexagon nuts with flange Product grades A and B 1997 2 ISO 7044, Prevailing torque type all-metal hexagon nuts with flange Product grades A and B , . 1 M5M20 M16 A, M16 B 8, 9, 10 12 6 ( 6 .) . 6 KS B ISO 4161 . , ISO 261, ISO 965 2, KS B ISO 2320 ISO 4759 1 . 2 . . ( ) . KS
3、 B ISO 2320, KS B ISO 3269, KS B ISO 4161, 6 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 plan ISO 965 2： 1998, ISO general purpose metric screw threads Tolerances Part
4、 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 Product grades A, B and C ISO 6157 2： 1995, Fasteners Surface discontinuities P
5、art 2： Nuts KS B ISO 7044:2008 2 3 1 1 ISO 225 . a bmw ( 1 ) c 90120 d 1525 ec dw,min . f 1 a b c ed fKS B ISO 7044:2008 3 1 ： mm ( d ) M5 M6 M8 M10 M12 (M14)aM16 M20 P b0.8 1 1.25 1.5 1.75 2 2 2.5 c 1 1.1 1.2 1.5 1.8 2.1 2.4 3 5.75 6.75 8.75 10.8 13 15.1 17.3 21.6 da 5.00 6.00 8.00 10.0 12 14.0 16.
6、0 20.0 dc 11.8 14.2 17.9 21.8 26 29.9 34.5 42.8 dw 9.8 12.2 15.8 19.6 23.8 27.6 31.9 39.9 e 8.79 11.05 14.38 16.64 20.03 23.36 26.75 32.95 6.2 7.3 9.40 11.40 13.80 15.9 18.3 22.4 h 5.7 6.8 8.74 10.34 12.57 14.8 17.2 20.3 m 4.7 5.7 7.64 9.64 11.57 13.3 15.3 18.7 mw 2.5 3.1 4.6 5.6 6.8 7.7 8.9 10.7 8.
7、00 10.00 13.00 15.00 18.00 21.00 24.00 30.00 s 7.78 9.78 12.73 14.73 17.73 20.67 23.67 29.16 r c 0.3 0.36 0.48 0.6 0.72 0.88 0.96 1.2 A e, c mw . a . bP . c r 6 . KS B ISO 7044:2008 4 4 2 2 KS B ISO 8992 6H ISO 261, ISO 965 2 8 9 10 12 ad M16 1 d M16 2 2 1 2 KS B ISO 2320 d 16 mm： A d 16 mm： B ISO 4
8、759 1 ISO 4042 . . KS B ISO 6157 2 . KS B ISO 3269 a ( hmin) 2 . 2 KS B ISO 2320 1 . 5 M12 8 6 . 6 KS B ISO 7044 M12 8 KS B ISO 7044:2008 5 A ( ) 6 A.1 6 ( A.1 A.1 ) 6 , , A, B . A 6 . B . . A.2 ( A.1 A.1 ) C , 6 . C A . Wa,min eWb,max emin 0.01 mm Ta,max mw,min1 A 2 B 3 C A.1 A.1 ： mm A B C WaTaWbT
9、bWcTc M5 M6 M8 9.25 11.5615.029.24 11.55 15.01 2.50 3.10 4.60 2.493.094.598.7811.0414.378.7711.0314.363 4 4 14 16 20 1.08 1.19 1.31 1.07 1.18 1.30 M10 M12 M14 17.3320.7924.2617.32 20.78 24.25 5.60 6.80 7.70 5.596.797.6916.6320.0223.3516.6220.0123.345 5 6 24 29 32.51.81 2.20 2.55 1.80 2.19 2.54 M16 M
10、20 27.7234.6527.71 34.64 8.90 10.70 8.8910.6926.7432.9426.7332.936 6 37 45 2.96 3.70 2.95 3.69 6 A B 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS B ISO 7044:2008KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Prevailing torque type all-metal hexagon nuts with flange Product grades A and B ICS 21.060.20
