29 大半圆头带榫螺栓GB/T 15—1988标准
大半圆头带榫螺栓GB15—1988标准
大半圆头带榫螺栓的尺寸规格、质量见表4.1-54和表4.1-55。
表4.1-54 大半圆头带榫螺栓的尺寸规格(mm)
螺纹规格d | M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 |
dk max | 15.1 | 19.1 | 24.3 | 29.3 | 33.6 | 36.6 | 45.6 | 53.9 |
h max | 3.5 | 4.3 | 5.5 | 6.7 | 7.7 | 8.8 | 9.9 | 12 |
k max | 3.48 | 4.48 | 5.48 | 6.48 | 7.9 | 8.9 | 10.9 | 13.1 |
l ① | 20-60 | 20-80 | 30-100 | 35-120 | 35-140 | 50-160 | 60-200 | 80-200 |
①公称长度系列:20-70(5进级)、80-160 (10进级)、180、200mm。
表4.1-55 大半圆头带榫螺栓的质量(kg)
每1000件钢制品的大约质量 | |||||||||||||||
l | G | l | G | l | G | l | G | l | G | l | G | l | G | l | G |
M6 | M8 | M10 | M12 | (M14) | M16 | M20 | M24 | ||||||||
20 | 5.25 | 20 | 10.31 | 30 | 23.33 | 35 | 40.51 | 35 | 55.12 | 50 | 98.47 | 60 | 187.6 | 80 | 333.6 |
25 | 6.11 | 25 | 11.87 | 35 | 25.79 | 40 | 44.08 | 40 | 59.99 | (55) | 105 | (65) | 197.9 | 90 | 363.1 |
30 | 6.96 | 30 | 13.42 | 40 | 28.24 | 45 | 47.64 | 45 | 64.87 | 60 | 111.6 | 70 | 208.1 | 100 | 392.6 |
35 | 7.82 | 35 | 14.98 | 45 | 30.7 | 50 | 51.2 | 50 | 69.74 | (65) | 118.1 | 80 | 228.6 | 110 | 422.1 |
40 | 8.68 | 40 | 16.53 | 50 | 33.16 | (55) | 54.76 | (55) | 74.62 | 70 | 124.6 | 90 | 249.1 | 120 | 451.6 |
45 | 9.53 | 45 | 18.09 | (55) | 35.61 | 60 | 58.33 | 60 | 79.49 | 80 | 137.7 | 100 | 269.5 | 130 | 481.1 |
50 | 10.39 | 50 | 19.64 | 60 | 38.07 | (65) | 61.89 | (65) | 84.36 | 90 | 150.8 | 110 | 290 | 140 | 510.6 |
(55) | 11.25 | (55) | 21.2 | (65) | 40.52 | 70 | 65.45 | 70 | 89.24 | 100 | 163.9 | 120 | 310.5 | 150 | 540.1 |
60 | 12.11 | 60 | 22.75 | 70 | 42.98 | 80 | 72.57 | 80 | 98.99 | 110 | 177 | 130 | 331 | 160 | 569.6 |
(65) | 24.31 | 80 | 47.89 | 90 | 79.7 | 90 | 108.7 | 120 | 190.1 | 140 | 351.4 | 180 | 628.6 | ||
70 | 25.86 | 90 | 52.8 | 100 | 86.82 | 100 | 118.5 | 130 | 203.2 | 150 | 371.9 | 200 | 687.6 | ||
80 | 28.97 | 100 | 57.71 | 110 | 93.95 | 110 | 128.2 | 140 | 216.2 | 160 | 392.4 | ||||
120 | 101.1 | 120 | 138 | 150 | 229.3 | 180 | 433.3 | ||||||||
130 | 147.7 | 160 | 242.4 | 200 | 474.3 | ||||||||||
140 | 157.5 |
注:表列规格为商品规格。尽可能不采用括号内的规格。