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螺纹 |
1/16 |
1/8 |
1/4 |
3/8 |
1/2 |
3/4 |
1 |
1–1/4 |
1–1/2 |
2 |
2–1/2 |
3 |
牙数 |
27 |
27 |
18 |
18 |
14 |
14 |
11.5 |
11.5 |
11.5 |
11.5 |
8 |
8 |
螺距 / mm |
0.941 |
0.941 |
1.411 |
1.411 |
1.814 |
1.814 |
2.209 |
2.209 |
2.209 |
2.209 |
3.175 |
3.175 |
牙型高度 / mm |
0.753 |
0.753 |
1.129 |
1.129 |
1.451 |
1.451 |
1.767 |
1.767 |
1.767 |
1.767 |
2.54 |
2.54 |
大径 d = D / mm |
7.895 |
10.242 |
13.616 |
17.055 |
21.223 |
26.568 |
33.228 |
41.985 |
48.054 |
60.092 |
72.699 |
88.608 |
中径 d2 = D2 / mm |
7.142 |
9.489 |
12.487 |
15.926 |
19.772 |
25.117 |
31.461 |
40.218 |
46.287 |
58.325 |
70.159 |
86.068 |
小径 d1 = D1 / mm |
6.389 |
8.736 |
11.358 |
14.797 |
18.321 |
23.666 |
29.694 |
38.451 |
44.52 |
56.558 |
67.619 |
83.528 |
基准距离 螺纹数量 |
4.32 |
4.36 |
4.1 |
4.32 |
4.48 |
4.75 |
4.6 |
4.83 |
4.83 |
5.01 |
5.46 |
6.13 |
基准距离 L1 / mm |
4.064 |
4.102 |
5.786 |
6.096 |
8.128 |
8.611 |
10.16 |
10.668 |
10.668 |
11.074 |
17.323 |
19.456 |
装配余量距离 螺纹数量 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
3 |
2 |
2 |
装配距离 L3 / mm |
2.822 |
2.822 |
4.234 |
4.234 |
5.443 |
5.443 |
6.627 |
6.627 |
6.627 |
6.627 |
6.35 |
6.35 |
外螺纹小端面内的基本小径 / mm |
6.137 |
8.481 |
10.996 |
14.417 |
17.813 |
23.127 |
29.06 |
37.785 |
43.853 |
55.867 |
66.535 |
82.311 |
螺纹 |
3–1/2 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
牙数 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
8 |
螺距 / mm |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
3.175 |
牙型高度 / mm |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
2.54 |
大径 d = D / mm |
101.316 |
113.973 |
140.952 |
167.792 |
218.441 |
272.312 |
323.032 |
354.904 |
405.784 |
456.565 |
507.246 |
608.608 |
中径 d2 = D2 / mm |
98.776 |
111.433 |
138.412 |
165.252 |
215.901 |
269.772 |
320.492 |
352.364 |
403.244 |
454.025 |
504.706 |
606.068 |
小径 d1 = D1 / mm |
96.236 |
108.893 |
135.872 |
162.712 |
213.361 |
267.232 |
317.952 |
349.824 |
400.704 |
451.485 |
502.166 |
603.528 |
基准距离 螺纹数量 |
6.57 |
6.75 |
7.5 |
7.66 |
8.5 |
9.68 |
10.88 |
12.5 |
14.5 |
16 |
17 |
19 |
基准距离 L1 / mm |
20.853 |
21.438 |
23.8 |
24.333 |
27 |
30.734 |
34.544 |
39.675 |
46.025 |
50.8 |
53.975 |
60.325 |
装配余量距离 螺纹数量 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
装配距离 L3 / mm |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
6.35 |
外螺纹小端面内的基本小径 / mm |
94.933 |
107.554 |
134.384 |
161.191 |
211.673 |
265.311 |
315.793 |
347.345 |
397.828 |
448.31 |
498.793 |
599.758 |