|
UNEF Machine Screw |
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|
公称尺寸 |
牙数 |
大径 |
中径 |
小径 |
|||
|
最大 |
最小 |
最大 |
最小 |
最大 |
最小 |
||
|
0.2160 |
32 |
0.2151 |
0.2091 |
0.1948 |
0.1917 |
0.1790 |
0.1740 |
|
0.2500 |
32 |
0.2490 |
0.2430 |
0.2287 |
0.2255 |
0.2129 |
0.2078 |
|
0.3125 |
32 |
0.3115 |
0.3055 |
0.2912 |
0.2880 |
0.2754 |
0.2703 |
|
0.3750 |
32 |
0.3740 |
0.3680 |
0.3537 |
0.3503 |
0.3379 |
0.3326 |
|
0.4375 |
28 |
0.4364 |
0.4299 |
0.4132 |
0.4096 |
0.3952 |
0.3894 |
|
0.5000 |
28 |
0.4989 |
0.4924 |
0.4757 |
0.4720 |
0.4577 |
0.4518 |
|
0.5625 |
24 |
0.5613 |
0.5541 |
0.5342 |
0.5303 |
0.5131 |
0.5067 |
|
0.6875 |
24 |
0.6863 |
0.6791 |
0.6592 |
0.6552 |
0.6381 |
0.6316 |
|
0.7500 |
20 |
0.7487 |
0.7406 |
0.7162 |
0.7118 |
0.6909 |
0.6835 |
|
0.8125 |
20 |
0.8112 |
0.8031 |
0.7787 |
0.7743 |
0.7536 |
0.7460 |
|
0.8570 |
20 |
0.8737 |
0.8656 |
0.8412 |
0.8368 |
0.8759 |
0.8085 |
|
0.9375 |
20 |
0.9361 |
0.9280 |
0.9036 |
0.8991 |
0.8783 |
0.8708 |
|
1.0000 |
20 |
0.9986 |
0.9905 |
0.9661 |
0.9616 |
0.9408 |
0.9333 |