
Unit: mm
| Major d | iameter o | f external | threads | Bar Di | ameter | |||
| Size | IS | O | old | JIS | ||||
| Max. | Min. | Max. | Min. | ISO | old JIS | |||
| M33 | × | 3.5 | 32.947 | 32.522 | 32.940 | 32.660 | 32.6 | 32.7 |
| MF33 | × | 3 | 32.952 | 32.577 | 32.952 | 32.577 | 32.7 | 32.7 |
| MF33 | × | 2 | 32.962 | 32.682 | 32.962 | 32.682 | 32.8 | 32.8 |
| MF33 | × | 1.5 | 32.968 | 32.732 | 32.950 | 32.780 | 32.8 | 32.8 |
| MF35 | × | 1.5 | 34.968 | 34.732 | 34.950 | 34.780 | 34.8 | 34.8 |
| M36 | × | 4 | 35.940 | 35.465 | 35.930 | 35.630 | 35.6 | 35.7 |
| MF36 | × | 3 | 35.952 | 35.577 | 35.952 | 35.577 | 35.7 | 35.7 |
| MF36 | × | 2 | 35.962 | 35.682 | 35.940 | 35.640 | 35.8 | 35.7 |
| MF36 | × | 1.5 | 35.968 | 35.732 | 35.950 | 35.780 | 35.8 | 35.8 |
| MF38 | × | 1.5 | 37.968 | 37.732 | 37.950 | 37.780 | 37.8 | 37.8 |
| M39 | × | 4 | 38.940 | 38.465 | 38.930 | 38.630 | 38.6 | 38.7 |
| MF39 | × | 3 | 38.952 | 38.577 | 38.952 | 38.577 | 38.7 | 38.7 |
| MF39 | × | 2 | 38.962 | 38.682 | 38.962 | 38.682 | 38.8 | 38.8 |
| MF39 | × | 1.5 | 38.968 | 38.732 | 38.968 | 38.732 | 38.8 | 38.8 |
| MF40 | × | 3 | 39.952 | 39.577 | 39.952 | 39.577 | 39.7 | 39.7 |
| MF40 | × | 2 | 39.962 | 39.682 | 39.940 | 39.640 | 39.8 | 39.7 |
| MF40 | × | 1.5 | 39.968 | 39.732 | 39.950 | 39.780 | 39.8 | 39.8 |
| M42 | × | 4.5 | 41.937 | 41.437 | 41.930 | 41.610 | 41.6 | 41.7 |
| MF42 | × | 4 | 41.940 | 41.465 | 41.940 | 41.465 | 41.6 | 41.6 |
| MF42 | × | 3 | 41.952 | 41.577 | 41.952 | 41.577 | 41.7 | 41.7 |
| MF42 | × | 2 | 41.962 | 41.682 | 41.940 | 41.640 | 41.8 | 41.7 |
| MF42 | × | 1.5 | 41.968 | 41.732 | 41.950 | 41.780 | 41.8 | 41.8 |
| M45 | × | 4.5 | 44.937 | 44.437 | 44.930 | 44.610 | 44.6 | 44.7 |
| MF45 | × | 4 | 44.940 | 44.465 | 44.940 | 44.465 | 44.6 | 44.6 |
| MF45 | × | 3 | 44.952 | 44.577 | 44.952 | 44.577 | 44.7 | 44.7 |
| MF45 | × | 2 | 44.962 | 44.682 | 44.940 | 44.640 | 44.8 | 44.7 |
| MF45 | × | 1.5 | 44.968 | 44.732 | 44.950 | 44.780 | 44.8 | 44.8 |
| M48 | × | 5 | 47.929 | 47.399 | 47.930 | 47.590 | 47.5 | 47.7 |
| MF48 | × | 4 | 47.940 | 47.465 | 47.940 | 47.465 | 47.6 | 47.6 |
| MF48 | × | 3 | 47.952 | 47.577 | 47.952 | 47.577 | 47.7 | 47.7 |
| MF48 | × | 2 | 47.962 | 47.682 | 47.940 | 47.640 | 47.8 | 47.7 |
| MF48 | × | 1.5 | 47.968 | 47.732 | 47.950 | 47.780 | 47.8 | 47.8 |
THREADS,