ユニファイ並目ねじの基準寸法 mm |
ねじの呼び | ねじ山数 25.4mm につき (n) |
ピッチ (P) (参考) |
ひっかかり の高さ |
めねじ | ||||
谷の径 (D) |
有効径 (D2) |
内径 (D1) |
||||||
1 | 2 | (参考) | おねじ | |||||
外径 (d) |
有効径 (d2) |
谷の径 (d1) |
||||||
No. 2-56 UNC | No. 1-64 UNC No. 3-48 UNC |
0.0730-64 UNC 0.0860-56 UNC 0.0990-48 UNC |
64 56 48 |
0.3969 0.4536 0.5292 |
0.125 0.246 0.286 |
1.854 2.184 2.515 |
1.598 1.890 2.172 |
1.425 1.694 1.941 |
No. 4-40 UNC No. 5-40 UNC No. 6-32 UNC |
0.1120-40 UNC 0.1250-40 UNC 0.1380-32 UNC |
40 40 32 |
0.6350 0.6350 0.7938 |
0.344 0.344 0.430 |
2.845 3.175 3.505 |
2.433 2.764 2.990 |
2.156 2.487 2.647 |
|
No. 8-32 UNC No. 10-24 UNC |
No. 12-24 UNC | 0.1649-32 UNC 0.1900-24 UNC 0.2160-24 UNC |
32 24 24 |
0.7938 1.0583 1.0583 |
0.430 0.573 0.573 |
4.166 4.826 5.486 |
3.650 4.138 4.798 |
3.307 3.680 4.341 |
1/4-20 UNC 5/16-18 UNC 3/8-16 UNC |
0.2500-20 UNC 0.3125-18 UNC 0.3750-16 UNC |
20 18 16 |
1.2700 1.4111 1.5875 |
0.687 0.764 0.859 |
6.350 7.938 9.525 |
5.524 7.021 8.494 |
4.976 6.411 7.805 |
|
7/16-14 UNC 1/2-13 UNC 9/16-12 UNC |
0.4375-14 UNC 0.5000-13 UNC 0.5625-12 UNC |
14 13 12 |
1.8143 1.9538 2.1167 |
0.982 1.058 1.146 |
11.112 12.700 14.288 |
9.934 11.430 12.913 |
9.149 10.584 11.996 |
|
5/8-11 UNC 3/4-10 UNC 7/8-9 UNC |
0.6250-11 UNC 0.7500-10 UNC 0.8750- 9 UNC |
11 10 9 |
2.3091 2.5400 2.8222 |
1.250 1.375 1.528 |
15.875 19.050 22.225 |
14.376 17.399 20.391 |
13.376 16.299 19.169 |
|
1 - 8 UNC 1 1/8-7 UNC 1 1/4-7 UNC |
1.0000- 8 UNC 1.1250- 7 UNC 1.2500- 7 UNC |
8 7 7 |
3.1750 3.6286 3.6286 |
1.719 1.964 1.964 |
25.400 28.575 31.750 |
23.338 26.218 29.393 |
21.963 24.648 27.823 |
|
1 3/8-6 UNC 1 1/2-6 UNC 1 3/4-5 UNC |
1.3750- 6 UNC 1.5000- 6 UNC 1.7500- 5 UNC |
6 6 5 |
4.2333 4.2333 5.0800 |
2.291 2.291 2.750 |
34.925 38.100 44.450 |
32.174 35.349 41.151 |
30.343 33.518 38.951 |
|
2 - 4 1/2 UNC 2 1/4-4 1/2 UNC 2 1/2-4 UNC |
2.0000-4.5 UNC 2.2500-4.5 UNC 2.5000- 4 UNC |
4 1/2 4 1/2 4 |
5.6444 5.6444 6.3500 |
3.055 3.055 3.437 |
50.800 57.150 63.500 |
47.135 53.485 59.375 |
44.689 51.039 56.627 |
|
2 3/4-4 UNC 3 - 4 UNC 3 1/4-4 UNC |
2.7500- 4 UNC 3.0000- 4 UNC 3.2500- 4 UNC |
4 4 4 |
6.3500 6.3500 6.3500 |
3.437 3.437 3.437 |
69.850 76.200 82.550 |
65.725 72.075 78.425 |
62.977 69.327 75.677 |
|
3 1/2-4 UNC 3 3/4-4 UNC 4 - 4 UNC |
3.5000- 4 UNC 3.7500- 4 UNC 4.0000- 4 UNC |
4 4 4 |
6.3500 6.3500 6.3500 |
3.437 3.437 3.437 |
88.900 95.250 101.600 |
84.775 91.125 97.475 |
82.027 88.377 94.727 |
JIS B 0206-1973
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