ASME B18.2.1 TABLE 6 Standard Hex bolts and screws, Inch series 的尺寸
六角螺钉
尺寸图和技术图
关键尺寸和技术参数
|
Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.1 table 6 Hex Cap Screws |
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| Publication date: 2010 | |||||||||||
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d Thread size
|
UNC (nr of threads x inch) |
UNF (nr of threads x inch) |
UN (nr of threads x inch) | E min | E max |
F basic
|
G min
|
G max | H basic |
LT (l< 6')
|
LT (l> 6')
|
|
1/4
|
20 | 28 | - | 0.245 | 0.250 | 0.438 |
0.488
|
0.505 | 0.156 |
0.75
|
1
|
|
5/16
|
18 | 24 | - | 0.306 | 0.315 | 0.5 |
0.557
|
0.577 | 0.203 | 0.875 |
1.125
|
|
3/8
|
16 | 24 | - | 0.369 | 0.375 |
0.562
|
0.628
|
0.650 | 0.234 |
1
|
1.25
|
|
7/16
|
14 | 20 | - | 0.430 | 0.4375 |
0.625
|
0.698
|
0.722 | 0.281 |
1.125
|
1.375
|
|
1/2
|
13 | 20 | - | 0.493 | 0.500 |
0.75
|
0.840
|
0.866 | 0.313 |
1.25
|
1.5
|
|
9/16
|
12 | 18 | - | 0.554 | .5625 |
0.812
|
0.910 | 0.938 | 0.359 |
1.375
|
1.625
|
|
5/8
|
11 | 18 | - | 0.617 | 0.625 | 0.937 |
1.051
|
1.083 | 0.391 |
1.5
|
1.75
|
|
3/4
|
10 | 16 | - | 0.741 | 0.750 |
1.125
|
1.254
|
1.299 | 0.469 |
1.75
|
2
|
|
7/8
|
9 | 14 | - | 0.866 | 0.875 |
1.313
|
1.465 | 1.516 | 0.547 |
2
|
2.25
|
|
1
|
8 | 12 | - | 0.990 | 1.000 |
1.50
|
1.675
|
1.732 | 0.609 |
2.25
|
2.5
|
| 1-1/8 | 7 | 12 | 8 | 1.114 | 1.250 | 1.625 | 1.859 | 1.949 | 0.688 | 2.5 | 2.75 |
| 1-1/4 | 7 | 12 | 8 | 1.239 | 1.250 | 1.875 | 2.066 | 2.165 | 0.781 | 2.75 | 3 |
| 1-3/8 | 6 | 12 | 8 | 1.363 | 1.375 | 2 | 2.273 | 2.382 | 0.844 | 3 | 3.25 |
| 1-1/2 | 6 | 12 | 8 | 1.488 | 1.500 | 2.25 | 2.480 | 2.598 | 0.938 | 3.25 | 3.5 |
| 1-5/8 | - | - | 6-8 | 1.613 | 1.625 | 2.438 | 2.686 | 2.815 | 1 | 3.5 | 3.75 |
| 1-3/4 | 5 | - | 6-8 | 1.738 | 1.750 | 2.625 | 2.893 | 3.031 | 1.094 | 3.75 | 4 |
| 1-7/8 | - | - | 6-8 | 1.863 | 1.875 | 2.813 | 3.099 | 3.248 | 1.156 | 4 | 4.25 |
| 2 | 4.5 | - | 6-8 | 1.988 | 2.000 | 3 | 3.306 | 3.464 | 1.219 | 4.25 | 4.5 |
| 2-1/4 | 4.5 | - | 6-8 | 2.238 | 2.250 | 3.375 | 3.719 | 3.897 | 1.375 | 4.75 | 5 |
| 2-1/2 | 4 | - | 6-8 | 2.488 | 2.500 | 3.75 | 4.133 | 4.330 | 1.531 | 5.25 | 5.5 |
| 2-3/4 | 4 | - | 6-8 | 2.738 | 2.750 | 4.125 | 4.546 | 4.763 | 1.688 | 5.75 | 6 |
| 3 | 4 | - | 6-8 | 2.988 | 3.000 | 4.5 | 4.959 | 5.196 | 1.875 | 6.25 | 6.5 |