24 内六角花形圆柱头螺钉GB/T 2671.2—2004
内六角花形圆柱头螺钉GB2671.2—2004
内六角花形圆柱头螺钉的尺寸规格、质量见表4.2-55、表4.2- 56。
表4.2-55 内六角花形圆柱头螺钉的尺寸规格(mm)
螺纹规格d | M2 | M2.5 | M3 | M4 | M5 | M6 | M8 | ||
b | 参考 | 16 | 17 | 18 | 20 | 22 | 24 | 28 | |
dk | max(光滑头部) | 3.8 | 4.5 | 5.5 | 7 | 8.5 | 10 | 13 | |
max (滚花头部) | 3.98 | 4.68 | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | ||
min | 3.62 | 4.32 | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | ||
ds | max | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | |
min | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | ||
k | max | 2 | 2.5 | 3 | 4 | 5 | 6 | 8 | |
min | 1.86 | 2.36 | 2.86 | 3.82 | 4.82 | 5.7 | 7.64 | ||
内六角花形 | 槽号No. | 6 | 8 | 10 | 20 | 25 | 30 | 45 | |
A | 参考 | 1.75 | 2.4 | 2.8 | 3.95 | 4.5 | 5.6 | 7.95 | |
t | max | 0.84 | 1.04 | 1.27 | 1.8 | 2.03 | 2.42 | 3.31 | |
min | 0.71 | 0.91 | 1.01 | 1.42 | 1.65 | 2.02 | 2.92 | ||
l① 商品规格范围 | 3〜20 | 4〜25 | 5〜30 | 6~40 | 8〜50 | 10-60 | 12-80 | ||
b 参考 | 32 | 36 | 40 | 44 | 48 | 52 | |||
dk | max(光滑头部) | 16 | 18 | 21 | 24 | 27 | 30 | ||
max (滚花头部) | 16.27 | 18.27 | 21.33 | 24.33 | 27.33 | 30.33 | |||
min | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | |||
ds | max | 10 | 12 | 14 | 16 | 18 | 20 | ||
min | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | |||
k | max | 10 | 12 | 14 | 16 | 18 | 20 | ||
min | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | |||
内六角花形 | 槽号No. | 50 | 55 | 60 | 70 | 80 | 90 | ||
A 参考 | 8.95 | 11.35 | 13.45 | 15.7 | 17.75 | 20.2 | |||
t | max | 4.02 | 5.21 | 5.99 | 7.01 | 8 | 9.2 | ||
min | 3.62 | 4.82 | 5.62 | 6.62 | 7.5 | 8.69 | |||
l① 商品规格范围 | 16-110 | 20-120 | 25-140 | 25-160 | 30-180 | 30-200 |
注:尽可能不采用括号内的规格。
①公称长度系列为:3、4、5、6-16(2进级)、20-70(5进级)、80-160(10进级)、180、200 mm。
表4.2-56 内六角花形圆柱头螺钉的质量
每1000件钢螺钉的质量(p=7.85 g/cm³)/kg
l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M2 | M3 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | |||||||||||
3 | 0.155 | 5 | 0.67 | 8 | 2.45 | 10 | 4.7 | 12 | 10.9 | 16 | 20.9 | 20 | 32.1 | 25 | 48 | 25 | 71.3 | 30 | 111 | 30 | 128 |
4 | 0.175 | 6 | 0.71 | 10 | 2.7 | 12 | 5.07 | 16 | 12.1 | 20 | 22.9 | 25 | 35.7 | 30 | 53 | 30 | 77.8 | 35 | 120 | 35 | 139 |
5 | 0.195 | 8 | 0.8 | 12 | 2.95 | 16 | 5.75 | 20 | 13.4 | 25 | 25.4 | 30 | 39.3 | 35 | 58 | 35 | 84.4 | 40 | 129 | 40 | 150 |
6 | 0.215 | 10 | 0.88 | 16 | 3.45 | 20 | 6.53 | 25 | 15 | 30 | 27.9 | 35 | 42.9 | 40 | 63 | 40 | 91 | 45 | 138 | 45 | 161 |
8 | 0.255 | 12 | 0.96 | 20 | 4.01 | 25 | 7.59 | 30 | 16.9 | 35 | 30.4 | 40 | 46.5 | 45 | 68 | 45 | 97.6 | 50 | 147 | 50 | 172 |
10 | 0.295 | 16 | 1.16 | 25 | 4.78 | 30 | 8.3 | 35 | 18.9 | 40 | 32.9 | 45 | 50.1 | 50 | 73 | 50 | 106 | 55 | 156 | 55 | 183 |
12 | 0.355 | 20 | 1.36 | 30 | 5.55 | 35 | 9.91 | 40 | 20.9 | 45 | 36.1 | 50 | 54.5 | 55 | 78 | 55 | 114 | 60 | 165 | 60 | 194 |
16 | 0.415 | 25 | 1.61 | 35 | 6.32 | 40 | 11 | 45 | 22.9 | 50 | 30.3 | 55 | 58.9 | 60 | 84 | 60 | 122 | 65 | 174 | 65 | 205 |
20 | 0.495 | 30 | 1.86 | 40 | 7.09 | 45 | 12.1 | 50 | 24.9 | 55 | 42.5 | 60 | 63.4 | 65 | 90 | 65 | 130 | 70 | 183 | 70 | 216 |
M2.5 | M4 | 45 | 7.86 | 50 | 13.2 | 55 | 26.9 | 60 | 45.7 | 65 | 67.8 | 70 | 96 | 70 | 138 | 80 | 203 | 80 | 241 | ||
4 | 0.345 | 6 | 1.5 | 50 | 8.63 | 55 | 14.3 | 60 | 28.9 | 65 | 48.9 | 70 | 71.3 | 80 | 108 | 80 | 154 | 90 | 223 | 90 | 266 |
5 | 0.375 | 8 | 1.65 | 60 | 15.4 | 65 | 31 | 70 | 52.1 | 80 | 80.2 | 90 | 120 | 90 | 170 | 100 | 243 | 100 | 291 | ||
6 | 0.405 | 10 | 1.8 | 70 | 33 | 80 | 58.5 | 90 | 89.1 | 100 | 132 | 100 | 186 | 110 | 263 | 110 | 316 | ||||
8 | 0.465 | 12 | 1.95 | 80 | 37 | 90 | 64.9 | 100 | 98 | 110 | 144 | 110 | 202 | 120 | 283 | 120 | 341 | ||||
10 | 0.525 | 16 | 2.25 | 100 | 71.2 | 110 | 107 | 120 | 156 | 120 | 218 | 130 | 303 | 130 | 366 | ||||||
12 | 0.585 | 20 | 2.65 | 120 | 116 | 130 | 168 | 130 | 234 | 140 | 223 | 140 | 391 | ||||||||
16 | 0.705 | 25 | 3.15 | 140 | 180 | 140 | 250 | 150 | 343 | 150 | 416 | ||||||||||
20 | 0.825 | 30 | 3.65 | 150 | 266 | 160 | 363 | 160 | 441 | ||||||||||||
25 | 0.975 | 35 | 4.15 | 160 | 282 | 180 | 403 | 180 | 491 | ||||||||||||
40 | 4.65 | 200 | 541 |