DIN 937 Fasteners
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DIN 937 Dimensions Chart
| Thread d | P | da | de | dw | e | m | m´ | n | s | w | Split pins according to DIN 94 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min. | max. | max. | min. | min. | min. | max. | min. | min. | min. | max. | nominal = max. | min. | min. | max. | |||||
| M6 | - | - | 1 | 6 | 6.75 | - | - | 8.8 | 11.05 | 6 | 5.7 | 2.8 | 2 | 2.25 | 10 | 9.78 | 3.2 | 3.5 | 1.6×14 |
| (M7) | - | - | 1 | 7 | 7.75 | - | - | 9.5 | 12.12 | 7 | 6.64 | 3.2 | 2 | 2.25 | 11 | 10.73 | 3.7 | 4 | 1.6×14 |
| M8 | M8x1 | - | 1.25 | 8 | 8.75 | - | - | 11.3 | 14.38 | 8 | 7.64 | 3.8 | 2.5 | 2.75 | 13 | 12.73 | 4.2 | 4.5 | 2×16 |
| M10 | M10x1.25 | M10x1 | 1.5 | 10 | 10.8 | - | - | 15.3 | 18.9 | 9 | 8.64 | 4.6 | 2.8 | 3.05 | 17 | 16.73 | 4.7 | 5 | 2.5×20 |
| M12 | M12x1.25 | M12x1.5 | 1.75 | 12 | 13 | 17 | 16.57 | 17.2 | 20.1 | 10 | 9.64 | 5.3 | 3.5 | 3.8 | 19 | 18.67 | 5.7 | 6 | 3.2×22 |
| (M14) | (M14x1.5) | - | 2 | 14 | 15.1 | 19 | 18.48 | 20.2 | 24.49 | 11 | 10.57 | 5.9 | 3.5 | 3.8 | 22 | 21.67 | 6.64 | 7 | 3.2×25 |
| M16 | M16x1.5 | - | 2 | 16 | 17.3 | 22 | 21.48 | 22.2 | 26.75 | 12 | 11.57 | 5.9 | 4.5 | 4.8 | 24 | 23.67 | 6.64 | 7 | 4×28 |
| (M18) | (M18x1.5) | (M18x2) | 2.5 | 18 | 19.5 | 25 | 24.3 | 24.8 | 29.56 | 13 | 12.3 | 6.7 | 4.5 | 4.8 | 27 | 26.16 | 7.64 | 8 | 4×32 |
| M20 | M20x1.5 | M20x2 | 2.5 | 20 | 21.6 | 28 | 27.3 | 27.7 | 32.95 | 13 | 12.3 | 6.7 | 4.5 | 4.8 | 30 | 29.16 | 7.64 | 8 | 4×36 |
| (M22) | (M22x1.5) | (M22x2) | 2.5 | 22 | 23.8 | 30 | 29.3 | 29.5 | 35.03 | 15 | 14.3 | 9.1 | 5.5 | 5.8 | 32 | 31 | 8.64 | 9 | 5×36 |
| M24 | M24x2 | 3 | 24 | 25.9 | 34 | 33 | 33.2 | 39.55 | 15 | 14.3 | 9.1 | 5.5 | 5.8 | 36 | 35 | 8.64 | 9 | 5×40 | |
| (M27) | (M27x2) | 3 | 27 | 29.2 | 38 | 37 | 38 | 45.2 | 17 | 16.3 | 8.7 | 5.5 | 5.8 | 41 | 40 | 10.57 | 11 | 5×45 | |
| M30 | M30x2 | 3.5 | 30 | 32.4 | 42 | 41 | 42.7 | 50.85 | 18 | 17.3 | 8.7 | 7 | 7.36 | 46 | 45 | 10.57 | 11 | 6.3×50 | |
| (M33) | (M33x2) | 3.5 | 33 | 35.6 | 46 | 45 | 46.6 | 55.37 | 20 | 19.16 | 10.3 | 7 | 7.36 | 50 | 49 | 12.57 | 13 | 6.3×56 | |
| M36 | M36x3 | 4 | 36 | 38.9 | 50 | 49 | 51.1 | 60.79 | 20 | 19.16 | 10.37 | 7 | 7.36 | 55 | 53.8 | 12.57 | 13 | 6.3×63 | |
| (M39) | (M39x3) | 4 | 39 | 42.1 | 55 | 53.8 | 55.9 | 66.44 | 22 | 21.16 | 11.9 | 7 | 7.36 | 60 | 58.8 | 12.57 | 13 | 6.3×71 | |
| M42 | M42x3 | 4.5 | 42 | 45.4 | 58 | 56.8 | 60.6 | 72.02 | 23 | 22.16 | 11.9 | 9 | 9.36 | 65 | 63.8 | 13.57 | 14 | 8×71 | |
| (M45) | (M45x3) | 4.5 | 45 | 48.6 | 62 | 60.8 | 64.7 | 76.95 | 25 | 24.16 | 13.5 | 9 | 9.36 | 70 | 68.1 | 15.57 | 16 | 8×80 | |
| M48 | M48x3 | 5 | 48 | 51.8 | 65 | 63.8 | 69.4 | 82.6 | 25 | 24.16 | 13.5 | 9 | 9.36 | 75 | 73.1 | 15.57 | 16 | 8×80 | |
| (M52) | (M52x3) | 5 | 52 | 56.2 | 70 | 68.8 | 74.2 | 88.25 | 27 | 26.16 | 15 | 9 | 9.36 | 80 | 78.1 | 17.57 | 18 | 8×90 | |
All measurements in millimeters (mm)
