DIN 7991- the specification for Hexagon socket countersunk head cap screws
DIN 7991- the specification for Hexagon socket countersunk head cap screws
Countersunk Socket Cap Screw, are useful when an Allen key is needed to be used to tighten the bolt into place but a flush method is required, so preventing an Allen socket capscrew from being used.
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All measurements in millimetres (mm)
| d (thread size) | dk (max) | e (min) | k (max) | s (nom) | t (min) |
|---|---|---|---|---|---|
| M3 | 6.72 | 2.303 | 1.86 | 2 | 1.1 |
| M4 | 8.96 | 2.873 | 2.48 | 2.5 | 1.5 |
| M5 | 11.2 | 3.443 | 3.1 | 3 | 1.9 |
| M6 | 13.44 | 4.583 | 3.72 | 4 | 2.2 |
| M8 | 17.92 | 5.723 | 4.96 | 5 | 3 |
| M10 | 22.4 | 6.863 | 6.2 | 6 | 3.6 |
| M12 | 26.88 | 9.149 | 7.44 | 8 | 4.3 |
| M16 | 33.6 | 11.429 | 8.8 | 10 | 4.8 |
| M20 | 40.32 | 13.716 | 10.16 | 12. | 5.6 |
All data is strictly informative
