Dimension table
Slotted cylindrical head screw DIN84
| Thread | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|---|
| Step | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.25 | 1.5 |
| a max. | 0.7 | 0.8 | 0.9 | 1 | 1.2 | 1.4 | 1.6 | 2 | 2.5 | 3 |
| b min. | 25 | 25 | 25 | 25 | 38 | 38 | 38 | 38 | 38 | 38 |
| yes max | 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 9.2 | 11.2 |
| dk nominal / max. | 3.00 | 3.8 | 4.5 | 5.5 | 6 | 7 | 8.5 | 10 | 13 | 16 |
| dk min. | 2.86 | 3.62 | 4.32 | 5.32 | 5.82 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 |
| k nominal / max. | 1.10 | 1.4 | 1.8 | 2 | 2.4 | 2.6 | 3.3 | 3.9 | 5 | 6 |
| k min. | 0.96 | 1.26 | 1.66 | 1.86 | 2.26 | 2.46 | 3.12 | 3.6 | 4.7 | 5.7 |
| n nominal | 0.4 | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.2 | 1.6 | 2 | 2.5 |
| n max. | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.51 | 1.51 | 1.91 | 2.31 | 2.81 |
| n min. | 0.46 | 0.56 | 0.66 | 0.86 | 1.06 | 1.26 | 1.26 | 1.66 | 2.06 | 2.56 |
| r min. | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 |
| t min. | 0.45 | 0.6 | 0.7 | 0.85 | 1 | 1.1 | 1.3 | 1.6 | 2 | 2.4 |
| in min. | 0.4 | 0.5 | 0.7 | 0.75 | 1 | 1.1 | 1.3 | 1.6 | 2 | 2.4 |
| x max. | 0.9 | 1 | 1.1 | 1.25 | 1.5 | 1.75 | 2 | 2.5 | 3.2 | 3.8 |
| Nominal Length (L) | Min tolerance. | Max tolerance. | M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | M8 | M10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2mm | 1.8 | 2.2 | 0.07 | |||||||||
| 3mm | 2.8 | 3.2 | 0.082 | 0.16 | 0.272 | |||||||
| 4mm | 3.76 | 4.24 | 0.094 | 0.179 | 0.302 | 0.515 | ||||||
| 5mm | 4.76 | 5.24 | 0.105 | 0.198 | 0.332 | 0.56 | 0.786 | 1.09 | ||||
| 6mm | 5.76 | 6.24 | 0.117 | 0.217 | 0.362 | 0.604 | 0.845 | 1.17 | 2.06 | |||
| 8mm | 7.71 | 8.29 | 0.14 | 0.254 | 0.422 | 0.692 | 0.966 | 1.33 | 2.3 | 3.56 | ||
| 10mm | 9.71 | 10.29 | 0.163 | 0.291 | 0.482 | 0.78 | 1.08 | 1.47 | 2.55 | 3.92 | 7.85 | |
| 12mm | 11.65 | 12.35 | 0.186 | 0.329 | 0.542 | 0.868 | 1.2 | 1.63 | 2.8 | 4.27 | 8.49 | 14.6 |
14mm | 13.65 | 14.35 | 0.209 | 0.365 | 0.602 | 0.956 | 1.32 | 1.79 | 3.05 | 4.62 | 9.13 | 15.6 |
| 16mm | 15.65 | 16.35 | 0.232 | 0.402 | 0.662 | 1.04 | 1.44 | 1.95 | 3.3 | 4.98 | 9.77 | 16.6 |
| 20mm | 19.58 | 20.42 | 0.478 | 0.782 | 1.22 | 1.68 | 2.25 | 3.78 | 5.69 | 11 | 18.6 | |
| 25mm | 24.58 | 25.42 | 0.932 | 1.44 | 1.98 | 2.64 | 4.4 | 6.56 | 12.6 | 21.1 | ||
| 30mm | 29.58 | 30.42 | 1.66 | 2.28 | 3.02 | 5.02 | 7.45 | 14.2 | 23.6 | |||
| 35mm | 34.5 | 35.5 | 2.57 | 3.41 | 5.62 | 8.25 | 15.8 | 26.1 | ||||
| 40mm | 39.5 | 40.5 | 3.8 | 6.25 | 9.2 | 17.4 | 28.6 | |||||
| 45mm | 44.5 | 45.5 | 6.88 | 10 | 18.9 | 31.1 | ||||||
| 50mm | 49.5 | 50.5 | 7.5 | 10.9 | 20.6 | 33.6 | ||||||
| 55mm | 54.05 | 55.95 | 11.8 | 22.1 | 36.1 | |||||||
| 60mm | 59.05 | 60.95 | 12.7 | 23.7 | 38.6 | |||||||
| 65mm | 64.05 | 65.95 | 25.2 | 41.1 | ||||||||
| 70mm | 69.05 | 70.95 | 26.8 | 43.6 | ||||||||
| 75mm | 74.05 | 75.95 | 28.3 | 46.1 | ||||||||
| 80mm | 79.05 | 80.95 | 29.8 | 48.6 |
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