Hex socket head shoulder bolts, ISO 7379
The fitted bolt is
also referred to as a fitted screw or shoulder screw. Metric thread and
cylindrical head with hexagonal hole.
The fitting piece is ground according to ISO 7379. The screw is often used
in machine constructions that require accurate fitting.
| d1 (mm) | 6* | 8 | 10 | 12* | 16 | 20 | 24* |
|---|---|---|---|---|---|---|---|
| d1 max | 5.99 | 7.99 | 9.99 | 11.98 | 15.98 | 19.98 | 23.98 |
| d1 min | 5.96 | 7.95 | 9.95 | 11.94 | 15.94 | 19.93 | 23.93 |
| d3 | 10 | 13 | 16 | 18 | 24 | 30 | 36 |
| k max | 4.5 | 5.5 | 7 | 9 | 11 | 14 | 16 |
| t min | 2.4 | 3.3 | 4.2 | 4.9 | 6.6 | 8.8 | 10 |
| s | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| *Not according to ISO 7379 |
