DIN 439 B Hexagon Thin Lock Nuts Chamfered Standards Table and Weight Chart
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- Steel: 8.8, 10.9
- Stainless: A2, A4
Equivalent Standards:
- ISO 4035
- CSN 021403
- UNI 5589
- EU 24035
Terminology and Measurements
- s – the size of the hexagon
- e – the diameter of the circumscribed circle (not less than)
- m – the height of the nut
- d – the nominal diameter of the thread
| Thread size d x pitch | P | da | 0 | dw | e | m | 0 | m´ | s | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min. | max. | min. | min. | max. | min. | min. | max. | min. | |||||
| M1.6 | 0.35 | 1.6 | 1.84 | 2.4 | 3.48 | 1 | 0.75 | 0.6 | 3.2 | 3.08 | |||
| (M1.8) | 0.35 | 1.8 | 2.06 | 2.7 | 3.82 | 1.1 | 0.85 | 0.68 | 3.5 | 3.38 | |||
| M2 | 0.4 | 2 | 2.3 | 3.1 | 4.32 | 1.2 | 0.95 | 0.76 | 4 | 3.82 | |||
| M2.5 | 0.45 | 2.5 | 2.9 | 4.1 | 5.45 | 1.6 | 1.35 | 1.06 | 5 | 4.82 | |||
| M3 | 0.45 | 3 | 3.45 | 4.6 | 6.01 | 1.8 | 1.55 | 1.24 | 5.5 | 5.32 | |||
| (M3.5) | 0.6 | 3.5 | 4 | 5.1 | 6.58 | 2 | 1.75 | 1.4 | 6 | 5.82 | |||
| M4 | 0.7 | 4 | 4.6 | 5.9 | 7.66 | 2.2 | 1.95 | 1.56 | 7 | 6.78 | |||
| M5 | 0.8 | 5 | 5.75 | 6.9 | 9.79 | 2.7 | 2.45 | 1.96 | 8 | 7.78 | |||
| M6 | 1 | 6 | 6.75 | 8.9 | 11.05 | 3.2 | 2.9 | 2.32 | 10 | 9.78 | |||
| M8 | M8x1 | - | 1.25 | 8 | 8.75 | 11.6 | 14.38 | 4 | 3.7 | 2.96 | 13 | 12.73 | |
| M10 | M10x1 | M10x1.25 | 1.5 | 10 | 10.8 | 15.6 | 18.9 | 5 | 4.7 | 3.76 | 17 | 16.73 | |
| M12 | M12x1.5 | M12x1.25 | 1.75 | 12 | 13 | 17.4 | 21.1 | 6 | 5.7 | 4.56 | 19 | 18.67 | |
| (M14) | (M14x1.5) | - | 2 | 14 | 15.1 | 20.5 | 24.49 | 7 | 6.42 | 5.14 | 22 | 21.67 | |
| M16 | M16x1.5 | - | 2 | 16 | 17.3 | 22.5 | 26.75 | 8 | 7.42 | 5.94 | 24 | 23.67 | |
| (M18) | (M18x1.5) | (M18x2) | 2.5 | 18 | 19.5 | 24.9 | 29.56 | 9 | 8.42 | 6.74 | 27 | 26.16 | |
| M20 | M20x2 | M20x1.5 | 2.5 | 20 | 21.6 | 27.7 | 32.95 | 10 | 9.1 | 7.28 | 30 | 29.16 | |
| (M22) | (M22x1.5) | (M22x2) | 2.5 | 22 | 23.8 | 29.5 | 35.03 | 11 | 9.9 | 7.92 | 32 | 31 | |
| M24 | M24x2 | (M24x1.5) | 3 | 24 | 25.9 | 33.2 | 39.55 | 12 | 10.9 | 8.72 | 36 | 35 | |
| (M27) | (M27x2) | - | (M27x1.5) | 3 | 27 | 29.2 | 38 | 45.2 | 13.5 | 12.4 | 9.9 | 41 | 40 |
| M30 | M30x2 | - | M30x1.5 | 3.5 | 30 | 32.4 | 42.7 | 50.85 | 15 | 13.9 | 11.1 | 46 | 45 |
| (M33) | (M33x2) | - | - | 3.5 | 33 | 35.6 | 46.6 | 55.37 | 16.5 | 15.4 | 12.3 | 50 | 49 |
| M36 | M36x3 | M36x2 | M36x1.5 | 4 | 36 | 38.9 | 51.1 | 60.79 | 18 | 16.9 | 13.5 | 55 | 53.8 |
| (M39) | (M39x3) | (M39x2) | (M39x1.5) | 4 | 39 | 42.1 | 55.9 | 66.44 | 19.5 | 18.2 | 14.6 | 60 | 58.8 |
| M42 | M42x3 | M42x2 | M42x1.5 | 4.5 | 42 | 45.4 | 60 | 71.3 | 21 | 19.7 | 15.8 | 65 | 63.1 |
| (M45) | (M45x3) | (M45x2) | (M45x1.5) | 4.5 | 45 | 48.6 | 64.7 | 76.95 | 22.5 | 21.2 | 17 | 70 | 68.1 |
| M48 | M48x3 | M48x2 | M48x1.5 | 5 | 48 | 51.8 | 69.4 | 82.6 | 24 | 22.7 | 18.2 | 75 | 73.1 |
| (M52) | (M52x3) | (M52x2) | (M52x1.5) | 5 | 52 | 56.2 | 74.2 | 88.25 | 26 | 24.7 | 19.8 | 80 | 78.1 |