ねじに関する情報
様々な種類のねじがありますが、いったいどれを選んだらいいのか分からない方や、もっとねじのことについて詳しく知りたい方向けの情報を掲載しています。
ねじのデータ集 > メートルねじ細目
| 呼び径ｘピッチ | 下穴 ドリル径 |
２級めねじ内径 | |
|---|---|---|---|
| 下穴最小寸法 | 下穴最大寸法 | ||
| M 2.5 x 0.35 | 2.20 | 2.121 | 2.221 |
| M 2.6 x 0.35 | 2.20 | 2.186 | 2.246 |
| M 3.0 x 0.35 | 2.70 | 2.621 | 2.721 |
| M 3.5 x 0.35 | 3.20 | 3.121 | 3.221 |
| M 4.0 x 0.5 | 3.50 | 3.459 | 3.599 |
| M 4.5 x 0.5 | 4.00 | 3.959 | 4.099 |
| M 5.0 x 0.5 | 4.50 | 4.459 | 4.599 |
| M 6.0 x 0.75 | 5.30 | 5.188 | 5.378 |
| M 6 x 0.5 | 5.50 | 5.400 | 5.550 |
| M 7.0 x 0.75 | 6.30 | 6.188 | 6.378 |
| M 8.0 x 1.0 | 7.00 | 6.917 | 7.153 |
| M 8.0 x 0.75 | 7.30 | 7.188 | 7.378 |
| M 8 x 0.5 | 7.50 | 7.400 | 7.520 |
| M 10.0 x 1.25 | 8.80 | 8.647 | 8.912 |
| M 10.0 x 1.0 | 9.00 | 8.917 | 9.153 |
| M 10.0 x 0.75 | 9.30 | 9.188 | 9.378 |
| M 11.0 x 1.0 | 10.00 | 9.917 | 10.153 |
| M 11.0 x 0.75 | 10.30 | 10.188 | 10.378 |
| M 12.0 x 1.5 | 10.50 | 10.376 | 10.676 |
| M 12.0 x 1.25 | 10.80 | 10.647 | 10.912 |
| M 12.0 x 1.0 | 11.00 | 10.917 | 11.153 |
| M 14.0 x 1.5 | 12.50 | 12.376 | 12.676 |
| M 14.0 x 1.0 | 13.00 | 12.917 | 13.153 |
| M 16.0 x 1.5 | 14.50 | 14.376 | 14.676 |
| M 16.0 x 1.0 | 15.00 | 14.917 | 15.153 |
| M 18.0 x 2.0 | 16.00 | 15.835 | 16.210 |
| M 18.0 x 1.5 | 16.50 | 16.376 | 16.676 |
| M 18.0 x 1.0 | 17.00 | 16.917 | 17.153 |
| M 20.0 x 2.0 | 18.00 | 17.835 | 18.210 |
| M 20.0 x 1.5 | 18.50 | 18.376 | 18.676 |
| M 20.0 x 1.0 | 19.00 | 18.917 | 19.153 |
| M 22.0 x 2.0 | 20.00 | 19.835 | 20.210 |
| M 22.0 x 1.5 | 20.50 | 20.376 | 20.676 |
| M 22.0 x 1.0 | 21.00 | 20.917 | 21.153 |
| M 24.0 x 2.0 | 22.00 | 21.835 | 22.210 |
| M 24.0 x 1.5 | 22.50 | 22.376 | 22.676 |
| M 24.0 x 1.0 | 23.00 | 22.917 | 23.153 |
| M 27.0 x 2.0 | 25.00 | 24.835 | 25.210 |
| M 27.0 x 1.5 | 25.50 | 25.376 | 25.676 |
| M 27.0 x 1.0 | 26.00 | 25.917 | 26.153 |
| M 30.0 x 3.0 | 27.00 | 26.752 | 27.252 |
| M 30.0 x 2.0 | 28.00 | 27.835 | 28.210 |
| M 30.0 x 1.5 | 28.50 | 28.376 | 28.676 |
| M 30.0 x 1.0 | 29.00 | 28.917 | 29.153 |
| M 33.0 x 3.0 | 30.00 | 29.752 | 30.252 |
| M 33.0 x 2.0 | 31.00 | 30.835 | 31.210 |
| M 33.0 x 1.5 | 31.50 | 31.376 | 31.676 |
| M 36.0 x 3.0 | 33.00 | 32.752 | 33.252 |
| M 36.0 x 2.0 | 34.00 | 33.835 | 34.210 |
| M 36.0 x 1.5 | 34.50 | 34.376 | 34.676 |
| M 39.0 x 3.0 | 36.00 | 35.752 | 36.252 |
| M 39.0 x 2.0 | 37.00 | 36.835 | 37.210 |
| M 39.0 x 1.5 | 37.50 | 37.376 | 37.676 |
| M 42.0 x 4.0 | 38.00 | 37.670 | 38.270 |
| M 42.0 x 3.0 | 39.00 | 38.752 | 39.252 |
| M 42.0 x 2.0 | 40.00 | 39.835 | 40.210 |
| M 42.0 x 1.5 | 40.50 | 40.376 | 40.676 |
| M 45.0 x 4.0 | 41.00 | 40.670 | 41.270 |
| M 45.0 x 3.0 | 42.00 | 41.752 | 42.252 |
| M 45.0 x 2.0 | 43.00 | 42.835 | 43.210 |
| M 45.0 x 1.5 | 43.50 | 43.376 | 43.676 |
| M 48.0 x 4.0 | 44.00 | 43.670 | 44.270 |
| M 48.0 x 3.0 | 45.00 | 44.752 | 45.252 |
| M 48.0 x 2.0 | 46.00 | 45.835 | 46.210 |
| M 48.0 x 1.5 | 46.50 | 46.376 | 46.676 |
単位：mm
※一部規格はＪＩＳより削除されておりますのであくまでも御参考としてご確認下さい。