1、 KS B ISO 4015KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 6 B KS B ISO 4015： 2007 2007 11 27 http:/www.kats.go.krKS B ISO 4015： 2007 : () ( ) () () () () ( ) : (http:/www.standard.go.kr) ： ：2007 11 27 2007-1076 ： ： ( 02-509-7274) (http:/www.kats.go.kr ). 7 5 , . KS B ISO 4015： 2007 6 B Hexagon head bol
2、tsProduct grade BReduced shank (shank diameter approximately equal to pitch diameter) 1979 1 ISO 4015, Hexagon head bolts Product grade B Reduced shank(shank diameter approximately equal to pitch diameter) . 1 M3M20 ( ) 6 B . , ISO 261, ISO 888, KS B ISO 898 1 ISO 965 . 2 . . ( ) . KS B ISO 898 1, 1
3、： , KS B ISO 8839, , , ISO 261, ISO general purpose metric screw threads General plan ISO 273, Fasteners Clearance holes for bolts and screws ISO 888, Bolts, screws and studs Nominal lengths, and thread lengths for general purpose bolts ISO 965, ISO general purpose metric screw threads Tolerances IS
4、O 3506, Corrosion-resistant stainless steel fasteners Specifications ISO 4759 1, Tolerances for fasteners Part 1： Bolts, screws and nuts with thread diameters 1,6 150 mm and product grades A, B and C KS B ISO 4015： 2007 2 3 21 mm dwmin. = s min. IT16 21 mm dwmin. = 0.95 s min. ds d 0.5 d . nom： ( )
5、k= 0.7k min.( ) . 2P max. 0.2 k nom. ： mm d M3 M4 M5 M6 M8 M10 M12 (M14) M16 M20 P a 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5 b 12 14 16 18 22 26 30 34 38 46 b c 28 32 36 40 44 52 da 3.6 4.7 5.7 6.8 9.2 11.2 13.7 15.7 17.7 22.4 ds 2.6 3.5 4.4 5.3 7.1 8.9 10.7 12.5 14.5 18.2 dw 4.4 5.7 6.7 8.7 11.4 14.4 1
6、6.4 19.2 22 27.7 e 5.98 7.50 8.63 10.89 14.20 17.59 19.85 22.78 26.17 32.95 2 2.8 3.5 4 5.3 6.4 7.5 8.8 10 12.5 1.80 2.60 3.26 3.76 5.06 6.11 7.21 8.51 9.71 12.15 k 2.20 3.00 3.74 4.24 5.54 6.69 7.79 9.09 10.29 12.85 k 1.3 1.8 2.3 2.6 3.5 4.3 5.1 6 6.8 8.5 r 0.1 0.2 0.2 0.25 0.4 0.4 0.6 0.6 0.6 0.8
7、5.5 7 8 10 13 16 18 21 24 30 s 5.20 6.64 7.64 9.64 12.57 15.57 17.57 20.16 23.16 29.16 x 1.25 1.75 2 2.5 3.2 3.8 4.3 5 5 6.3 l lg lglglglglglglglglg 20 18.95 21.05 7 8 4.6 6 25 23.95 26.05 12 13 9.6 11 7.4 9 5 7 30 28.95 31.05 17 18 14.6 16 12.4 14 10 12 5.5 8 35 33.75 36.25 19.6 21 17.4 19 15 17 10
8、.5 13 40 38.75 41.25 24.6 26 22.4 24 20 22 15.5 18 11 14 45 43.75 46.25 27.4 29 25 27 20.5 23 16 19 11.5 15 50 48.75 51.25 32.4 34 30 32 25.5 28 21 24 16.5 20 12 16 55 53.5 56.5 35 37 30.5 33 26 29 21.5 25 17 21 13 17 60 58.5 61.5 40 42 35.5 38 31 34 26.5 30 22 26 18 22 65 63.5 66.5 40.5 43 36 39 31
9、.5 35 27 31 23 27 14 19 70 68.5 71.5 45.5 48 41 44 36.5 40 32 36 28 32 19 24 80 78.5 81.5 55.5 58 51 54 46.5 50 42 46 38 42 29 34 90 88.25 91.75 61 64 56.5 60 52 56 48 52 39 44 100 98.25 101.75 71 74 66.5 70 62 66 58 62 49 54 110 108.25 111.75 76.5 80 72 76 68 72 59 64 120 118.25 121.75 86.5 90 82 8
10、6 78 82 69 74 130 128 132 86 90 82 86 73 70 140 138 142 96 100 92 96 83 88 150 148 152 102 106 93 98 . M14 . aP = b 125 mm c125 mm 200 mm lg = l b lg = lg 2P KS B ISO 4015：20073KS B ISO 4015： 2007 4 4 2 . 2 6 g ISO 261, ISO 965 5.8 8.8 A2 70 . KS B ISO 898 1 ISO 3506 KS B ISO 8839 B ISO 4759 1 ISO 4
11、042 . . KS B ISO 3269 5 8.8, M12, l = 80 mm 6 . 6 KS B ISO 4015 M1280 8.8 KS B ISO 4015： 2007 5 A ( ) . . , . 1977 5 ISO/TC 2 6 , . ( ) ( ) . A.1 ISO/TC 2 ( ) . ( ) . (15, 17, 19 22 mm ) . A.2 . A.1 mm mm / *5 8 1.08 6 10 1.44 8 13 1.23 15 0.90 16 1.30 10 17 1.73 18 0.91 12 19 1.16 21 0.96 14 22 1.2
12、4 16 24 1.02 20 30 0.95 24 36 0.86 30 46 1.02 36 55 1.04 * ISO 273 clearance hole . KS B ISO 4015： 2007 6 A.2 d M10 M12 M14 P a1.5 1.75 2 b 26 30 34 bc 32 36 40 da 11.2 13.7 15.7 ds 8.9 10.7 12.5 dw 13.5 15.3 17.1 19.8 e 16.46 18.72 20.88 23.91 6.4 7.5 8.8 6.11 7.21 8.51 k 6.69 7.79 9.09 k 4.3 5.1 6
13、.0 r 0.4 0.6 0.6 15 17 19 22 s 14.57 16.57 18.48 21.16 x 3.8 4.3 5 aP = b 125 mm c 125 mm 200 mm 2 P 0 6 B 135513 7017 (02)60094114 (02)600948878 http:/ KS B ISO 4015： 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Hexagon head boltsProduct grade B Reduced shank(shank diameter approximately equal to pitch diameter) ICS 21.060.10 Korean Agency for Technology and Standards http:/www.kats.go.kr
