内六角沉头螺钉

尺寸图和技术图

1126_s5n9Gf_7991-disegno.png

关键尺寸和技术参数

Dimensions in mm - source DIN 7991

Publication date: 01/1986 - Replaces DIN 7991: 01/1970 edition
d thread size P b (l<=125) B (l>125<=200) b (l>200) dk max=nom dk min k max

α+2°

t max=nom s nom e min
M 3 0.5 12 - - 6 5.7 1.7 90° 1.2 2 2.3
M 4 0.7 14 - - 8 7.64 2.3 90° 1.8 2.5 2.87
M 5 0.8 16 - - 10 9.64 2.8 90° 2.3 3 3.44
M 6 1 18 24 - 12 11.57 3.3 90° 2.5 4 4.58
M 8 1.25 22 28 - 16 15.57 4.4 90° 3.5 5 5.72
M 10 1.5 26 32 45 20 19.48 5.5 90° 4.4 6 6.86
M 12 1.75 30 36 49 24 23.48 6.5 90° 4.6 8 9.15
M 14 2 34 40 53 27 26.48 7 90° 4.8 10 11.43
M 16 2 38 44 57 30 29.48 7.5 90° 5.3 10 11.43
M 18 2.5 42 48 61 33 32.38 8 90° 5.5 12 13.72
M 20 2.5 46 52 65 36 35.38 8.5 90° 5.9 12 13.72
M 22 2.5 50 56 69 36 35.38 13.1 60° 8.8 14 16
M 24 3 54 60 73 39 38.38 14 60° 10.3 14 16

DIN 7991- ≈ mass in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial sizes

d thread size M 3 M 4 M 5 M 6 M 8 M 10 M 12 M 14 M 16 M 18 M 20 M 22 M 24
nominal length l
6 0.41 0.77
8 0.47 0.92 1.6 2.35
10 0.56 1.07 1.85 2.7 5.47
12 0.65 1.23 2.1 3.05 6.1 10.1
16 0.83 1.53 2.59 3.76 7.35 12.1 18.2
20 1 1.84 3.09 4.46 8.6 14.1 21.2
25 1.35 2.23 3.71 5.34 10.2 16.6 24.8 32.7 45.2
30 1.63 2.9 4.33 6.22 11.7 19.1 28.5 37.6 51.8
35 1.91 3.4 5.43 7.1 13.3 21.6 32.1 42.5 58.4 91.4
40 2.19 3.9 6.2 8.83 14.8 24.1 35.7 47.4 65.1 102
45 4.4 6.97 9.91 16.4 27.1 39.35 52.3 71.75 112.5
50 5.4 7.74 11 19.9 30.1 43 57.3 78.4 123 179
55 5.9 8.51 12.08 22.35 32.9 48.5 64 85.05 133
60 6.4 9.28 13.16 24.8 35.7 54 70 91.7 143 209
65 14.24 27.25 38.45 58.45 101.3 153.5
70 15.32 29.7 41.2 62.9 82 111 164 239
75 16.3 32.3 43.95 64.85 119 182
80 17.48 34.6 46.7 71.8 94 127 200 269
90 19.61 39.5 52.2 80.7 106 143 226 299
100 21.8 44.4 57.7 89.6 118 159 253 340
110 99 130 175 278
120 108 142 191 303
130 117 154 207 328
140 126 166 223 353
150 135 178 239 378
160 144 190 255 403
170 153 271 428
180 162 287 453
190 171 303 478
200 180 319 503