DIN EN ISO 4018 Hexagon Head Screws – Product Grade C (2011) defines hexagon head screws with coarse thread in product grade C. These screws are commonly used in general engineering applications where high precision is not required.
Dimensions of DIN EN ISO 4018 Hexagon Head Screws – Product Grade C
| Screw Thread (d) | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | M27 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P (Pitch) | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | |
| a | max | 2.4 | 3 | 4 | 4.5 | 5.3 | 6 | 6 | 7.5 | 7.5 | 7.5 | 9 | 9 |
| min | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 | 3 | |
| c | max | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| da | max | 6 | 7.2 | 10.2 | 12.2 | 14.7 | 16.7 | 18.7 | 21.2 | 24.4 | 26.4 | 28.4 | 32.4 |
| dw | min | 6.74 | 8.74 | 11.47 | 14.47 | 16.47 | 19.15 | 22 | 24.85 | 27.7 | 31.35 | 33.25 | 38 |
| e | min | 8.63 | 10.89 | 14.2 | 17.59 | 19.85 | 22.78 | 26.17 | 29.56 | 32.95 | 37.29 | 39.55 | 45.2 |
| k | Nominal Size | 3.5 | 4 | 5.3 | 6.4 | 7.5 | 8.8 | 10 | 11.5 | 12.5 | 14 | 15 | 17 |
| max | 3.875 | 4.375 | 5.675 | 6.85 | 7.95 | 9.25 | 10.75 | 12.4 | 13.4 | 14.9 | 15.9 | 17.9 | min | 3.125 | 3.625 | 4.925 | 5.95 | 7.05 | 8.35 | 9.25 | 10.6 | 11.6 | 13.1 | 14.1 | 16.1 |
| k1 | min | 2.19 | 2.54 | 3.45 | 4.17 | 4.94 | 5.85 | 6.48 | 7.42 | 8.12 | 9.17 | 9.87 | 11.27 |
| r | min | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 | 1 |
| s | max=Nominal Size | 8 | 10 | 13 | 16 | 18 | 21 | 24 | 27 | 30 | 34 | 36 | 41 |
| min | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 20.16 | 23.16 | 26.16 | 29.16 | 33 | 35 | 40 | |
Technical Data provided by Fastener Planet
| Screw Thread (d) | M30 | M33 | M36 | M39 | M42 | M45 | M48 | M52 | M56 | M60 | M64 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P (Pitch) | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | |
| a | max | 10.5 | 10.5 | 12 | 12 | 13.5 | 13.5 | 15 | 15 | 16.5 | 16.5 | 18 |
| min | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 | 5.5 | 5.5 | 6 | |
| c | max | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| da | max | 35.4 | 38.4 | 42.4 | 45.4 | 48.6 | 52.6 | 56.6 | 62.6 | 67 | 71 | 75 |
| dw | min | 42.75 | 46.55 | 51.11 | 55.86 | 59.95 | 64.7 | 69.45 | 74.2 | 78.66 | 83.41 | 88.16 |
| e | min | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 | 93.56 | 99.21 | 104.86 |
| k | Nominal Size | 18.7 | 21 | 22.5 | 25 | 26 | 28 | 30 | 33 | 35 | 38 | 40 |
| max | 19.75 | 22.05 | 23.55 | 26.05 | 27.05 | 29.05 | 31.05 | 34.25 | 36.25 | 39.25 | 41.25 | |
| min | 17.65 | 19.95 | 21.45 | 23.95 | 24.95 | 26.95 | 28.95 | 31.75 | 33.75 | 36.75 | 38.75 | |
| k1 | min | 12.36 | 13.97 | 15.02 | 16.77 | 17.47 | 18.87 | 20.27 | 22.23 | 23.63 | 25.73 | 27.13 |
| r | min | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 1.6 | 2 | 2 | 2 |
| s | max=Nominal Size | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 |
| min | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 | 82.8 | 87.8 | 92.8 | |
Technical Data provided by Fastener Planet