Hex socket head cap screws DIN 912
Head dimensions, clearance hole (DIN EN 20273 medium), counterbore (DIN 974).
| Threads | Pitch | Head Ø dₖ | Head height k | Wrench size s | Clearance Ø dₕ | Countersink Ø | Countersink depth |
|---|---|---|---|---|---|---|---|
| M2 | 0.4 | 3.8 | 2.0 | 1.5 | 2.4 | 4.4 | 2.2 |
| M2.5 | 0.45 | 4.5 | 2.5 | 2.0 | 2.9 | 5.1 | 2.7 |
| M3 | 0.5 | 5.5 | 3.0 | 2.5 | 3.4 | 6.3 | 3.3 |
| M4 | 0.7 | 7.0 | 4.0 | 3.0 | 4.5 | 8.0 | 4.4 |
| M5 | 0.8 | 8.5 | 5.0 | 4.0 | 5.5 | 9.6 | 5.4 |
| M6 | 1.0 | 10.0 | 6.0 | 5.0 | 6.6 | 11.5 | 6.5 |
| M8 | 1.25 | 13.0 | 8.0 | 6.0 | 9.0 | 15.0 | 8.6 |
| M10 | 1.5 | 16.0 | 10.0 | 8.0 | 11.0 | 18.5 | 10.8 |
| M12 | 1.75 | 18.0 | 12.0 | 10.0 | 13.5 | 21.0 | 13.0 |
| M14 | 2.0 | 21.0 | 14.0 | 12.0 | 15.5 | 24.5 | 15.2 |
| M16 | 2.0 | 24.0 | 16.0 | 14.0 | 17.5 | 27.5 | 17.5 |
| M18 | 2.5 | 27.0 | 18.0 | 14.0 | 20.0 | 30.5 | 19.5 |
| M20 | 2.5 | 30.0 | 20.0 | 17.0 | 22.0 | 33.0 | 21.5 |
| M22 | 2.5 | 33.0 | 22.0 | 17.0 | 24.0 | 36.0 | 23.5 |
| M24 | 3.0 | 36.0 | 24.0 | 19.0 | 26.0 | 40.0 | 25.5 |
| M27 | 3.0 | 40.0 | 27.0 | 19.0 | 30.0 | 43.0 | 29.0 |
| M30 | 3.5 | 45.0 | 30.0 | 22.0 | 33.0 | 48.0 | 32.0 |
| M36 | 4.0 | 54.0 | 36.0 | 27.0 | 39.0 | 57.0 | 38.0 |
All dimensions in mm. Through hole per DIN EN 20273 series „medium"; counterbore matching the SHCS head.
Note: all cutting and material values are guide values. The tool or machine manufacturer's recommendations are decisive.
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