Dimensions for ISO 21269 Hexagon socket head cap screws with metric fine pitch thread
| d x P | b | dk max | ds max | e min | k | r | s | t min | |
|---|---|---|---|---|---|---|---|---|---|
| M8x1 | -- | 28 | 13 | 8 | 6.863 | 8 | 0.4 | 6 | 4 |
| M10x1 | (M10x1.25) | 32 | 16 | 10 | 9.149 | 10 | 0.4 | 8 | 5 |
| M12x1.5 | (M12x125) | 36 | 18 | 12 | 11.429 | 12 | 0.6 | 10 | 6 |
| -- | (M14x1.5) | 40 | 21 | 14 | 13.716 | 14 | 0.6 | 12 | 7 |
| M16x1.5 | -- | 44 | 24 | 16 | 15.996 | 16 | 0.6 | 14 | 8 |
| M20x1.5 | (M20x2) | 52 | 30 | 20 | 19.437 | 20 | 0.8 | 17 | 10 |
| M24x2 | -- | 60 | 36 | 24 | 21.734 | 24 | 0.8 | 19 | 12 |
| M30x2 | -- | 72 | 45 | 30 | 25.154 | 30 | 1 | 22 | 15.5 |
| M36x3 | -- | 84 | 54 | 36 | 30.854 | 36 | 1 | 27 | 19 |
| M42x3 | -- | 96 | 63 | 42 | 36.571 | 42 | 1.2 | 32 | 24 |
| M46x3 | -- | 108 | 72 | 48 | 41.131 | 48 | 1.6 | 36 | 28 |
| M56x4 | -- | 124 | 84 | 56 | 46.831 | 56 | 2 | 41 | 34 |
| M64x4 | -- | 140 | 96 | 64 | 52.531 | 64 | 2 | 46 | 38 |