| d
|
|
| PP
|
UNC |
| UNF |
| s
|
最大值 |
| 最小值 |
| e
|
最大值 |
| 最小值 |
| dc
|
最大值 |
| 最小值 |
| k
|
最大值 |
| 最小值 |
| h
|
最小值 |
|
| 0.2500 |
0.3125 |
0.3750 |
0.4375 |
0.5000 |
0.5625 |
0.6250 |
| 20 |
18 |
16 |
14 |
13 |
12 |
11 |
| 28 |
24 |
24 |
20 |
20 |
18 |
18 |
| 0.438 |
0.500 |
0.562 |
0.688 |
0.750 |
0.875 |
0.938 |
| 0.428 |
0.489 |
0.551 |
0.675 |
0.736 |
0.861 |
0.922 |
| 0.505 |
0.577 |
0.65 |
0.794 |
0.866 |
1.01 |
1.083 |
| 0.488 |
0.557 |
0.628 |
0.768 |
0.84 |
0.982 |
1.051 |
| 0.728 |
0.820 |
0.915 |
1.131 |
1.205 |
1.300 |
1.360 |
| 0.700 |
0.790 |
0.885 |
1.100 |
1.175 |
1.260 |
1.280 |
| 0.312 |
0.375 |
0.406 |
0.468 |
0.515 |
0.578 |
0.640 |
| 0.281 |
0.343 |
0.390 |
0.437 |
0.485 |
0.546 |
0.600 |
| 0.04 |
0.04 |
0.04 |
0.04 |
0.06 |
0.06 |
0.06 |
|
![B18.16.4-2008 大六角法兰螺母(带防滑齿) [Table 2] (ASTM F2282)](http://imgjz.164580.com/upload/48/pic/2019/07/05/1562286424287260642.jpg)