l - length of Bolts
d - the nominal diameter of the thread
s - size hex head turnkey
t - groove depth
dv - diameter of the hole
Dimensions of Hexagon Socket Set Screws with Cup Point
| Dimensions | s | dv max |
|---|---|---|
| M 1.4 | 0.7 | 0.7 |
| M 1.6 | 0.7 | 0.8 |
| M 2 | 0.9 | 1 |
| M 2.5 | 1.3 | 1.5 |
| M 3 | 1.5 | 1.4 |
| M 4 | 1.2 | 2 |
| M 5 | 2.5 | 2.5 |
| M 6 | 3 | 3 |
| M 8 | 4 | 5 |
| M 10 | 5 | 6 |
| M 12 | 6 | 8 |
| M 14 | 6 | 9 |
| M 16 | 8 | 10 |
| M 20 | 10 | 14 |
| M 24 | 12 | 16 |