ISO 2010 dimensions — Slotted Raised Countersunk Head Screw
- Edition
- 2011 edition, current
| Size | PThread pitch | dkTheoretical head diameter | kHead height | bThread length | fRaised head height | nSlot width | tSlot depth | rfHead radius | aThread runout | rRadius | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | nom. | ref. | nominal | min | ref. | max | max | ||||
| M1.6 | 0.35 | 3 | 2.7 | 3.6 | 1 | 25 | 0.4 | 0.4 | 0.64 | 3 | 0.7 | 0.4 |
| M2 | 0.4 | 3.8 | 3.5 | 4.4 | 1.2 | 25 | 0.5 | 0.5 | 0.8 | 4 | 0.8 | 0.5 |
| M2.5 | 0.45 | 4.7 | 4.4 | 5.5 | 1.5 | 25 | 0.6 | 0.6 | 1 | 5 | 0.9 | 0.6 |
| M3 | 0.5 | 5.5 | 5.2 | 6.3 | 1.65 | 25 | 0.7 | 0.8 | 1.2 | 6 | 1 | 0.8 |
| M3.5 | 0.6 | 7.3 | 6.94 | 8.2 | 2.35 | 38 | 0.8 | 1 | 1.4 | 8.5 | 1.2 | 0.9 |
| M4 | 0.7 | 8.4 | 8.04 | 9.4 | 2.7 | 38 | 1 | 1.2 | 1.6 | 9.5 | 1.4 | 1 |
| M5 | 0.8 | 9.3 | 8.94 | 10.4 | 2.7 | 38 | 1.2 | 1.2 | 2 | 9.5 | 1.6 | 1.3 |
| M6 | 1 | 11.3 | 10.87 | 12.6 | 3.3 | 38 | 1.4 | 1.6 | 2.4 | 12 | 2 | 1.5 |
| M8 | 1.25 | 15.8 | 15.37 | 17.3 | 4.65 | 38 | 2 | 2 | 3.2 | 16.5 | 2.5 | 2 |
| M10 | 1.5 | 18.3 | 17.78 | 20 | 5 | 38 | 2.3 | 2.5 | 3.8 | 19.5 | 3 | 2.5 |
Dimensions from ISO 2010:2011, the current edition.