ユニファイねじ用(No. 0‐80UNF〜1‐20UNEF) | ||||||||
(注1)UNEF、UN、UNSの2Bめねじ内径はANSI B1.1によっています。 | ||||||||
単位 mm | ||||||||
下穴ドリル径 | めねじ内径 | |||||||
呼 び | JIS 6H(2級) | |||||||
(注1) | (注2) | |||||||
Max. | Min. | |||||||
No. 0‐80UNF | 1.25 | 1.305 | 1.182 | |||||
No. 1‐64UNC | 1.55 | 1.582 | 1.425 | |||||
No. 1‐72UNF | 1.55 | 1.612 | 1.474 | |||||
No. 2‐56UNC | 1.8 | 1.871 | 1.695 | |||||
No. 2‐64UNF | 1.85 | 1.912 | 1.756 | |||||
No. 3‐48UNC | 2.1 | 2.146 | 1.941 | |||||
No. 3‐56UNF | 2.1 | 2.197 | 2.025 | |||||
No. 4‐40UNC | 2.3 | 2.385 | 2.157 | |||||
No. 4‐48UNF | 2.4 | 2.458 | 2.271 | |||||
No. 5‐40UNC | 2.6 | 2.697 | 2.487 | |||||
No. 5‐44UNF | 2.7 | 2.74 | 2.551 | |||||
No. 6‐32UNC | 2.8 | 2.895 | 2.642 | |||||
No. 6‐40UNF | 2.9 | 3.022 | 2.82 | |||||
No. 8‐32UNC | 3.4 | 3.53 | 3.302 | |||||
No. 8‐36UNF | 3.5 | 3.606 | 3.404 | |||||
No.10‐24UNC | 3.9 | 3.962 | 3.683 | |||||
No.10‐32UNF | 4.1 | 4.165 | 3.963 | |||||
No.12‐24UNC | 4.5 | 4.597 | 4.344 | |||||
No.12‐28UNF | 4.6 | 4.724 | 4.496 | |||||
No.12‐32UNEF | 4.7 | 4.826 | 4.623 | |||||
1/4 ‐20UNC | 5.1 | 5.257 | 4.979 | |||||
1/4 ‐28UNF | 5.5 | 5.588 | 5.36 | |||||
1/4 ‐32UNEF | 5.6 | 5.689 | 5.487 | |||||
5/16 ‐18UNC | 6.6 | 6.731 | 6.401 | |||||
5/16 ‐24UNF | 6.9 | 7.035 | 6.782 | |||||
5/16 ‐32UNEF | 7.1 | 7.264 | 7.087 | |||||
3/8 ‐16UNC | 8 | 8.153 | 7.798 | |||||
3/8 ‐24UNF | 8.5 | 8.636 | 8.382 | |||||
3/8 ‐32UNEF | 8.7 | 8.864 | 8.662 | |||||
7/16 ‐14UNC | 9.4 | 9.55 | 9.144 | |||||
7/16 ‐20UNF | 9.9 | 10.033 | 9.729 | |||||
7/16 ‐24UNS | 10.1 | 10.21 | 9.957 | |||||
7/16 ‐28UNEF | 10.2 | 10.337 | 10.135 | |||||
1/2 ‐13UNC | 10.9 | 11.023 | 10.592 | |||||
1/2 ‐20UNF | 11.5 | 11.607 | 11.329 | |||||
1/2 ‐24UNS | 11.7 | 11.811 | 11.557 | |||||
1/2 ‐28UNEF | 11.8 | 11.938 | 11.71 | |||||
1/2 ‐32UN | 11.9 | 12.039 | 11.837 | |||||
9/16 ‐12UNC | 12.2 | 12.446 | 11.989 | |||||
9/16 ‐18UNF | 12.9 | 13.081 | 12.751 | |||||
9/16 ‐20UN | 13 | 13.208 | 12.904 | |||||
9/16 ‐24UNEF | 13.2 | 13.385 | 13.132 | |||||
5/8 ‐11UNC | 13.6 | 13.868 | 13.386 | |||||
5/8 ‐18UNF | 14.5 | 14.681 | 14.351 | |||||
5/8 ‐20UN | 14.6 | 14.782 | 14.504 | |||||
5/8 ‐24UNEF | 14.8 | 14.986 | 14.732 | |||||
3/4 ‐10UNC | 16.6 | 16.84 | 16.307 | |||||
3/4 ‐16UNF | 17.5 | 17.678 | 17.323 | |||||
3/4 ‐20UNEF | 17.8 | 17.957 | 17.679 | |||||
7/8 ‐ 9UNC | 19.6 | 19.761 | 19.177 | |||||
7/8 ‐14UNF | 20.5 | 20.675 | 20.27 | |||||
7/8 ‐20UNEF | 21 | 21.132 | 20.854 | |||||
1 ‐ 8UNC | 22.3 | 22.606 | 21.971 | |||||
1 ‐12UNF | 23.3 | 23.571 | 23.114 | |||||
1 ‐14UNS | 23.6 | 23.825 | 23.445 | |||||
1 ‐20UNEF | 24.1 | 24.307 | 24.029 | |||||