DIN 7991 Standard Hexagon socket countersunk head screws 的尺寸
内六角沉头螺钉
尺寸图和技术图
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 | ||||||||||