DIN 431 Hexagon pipe nuts Standards Table and Weight Chart
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- Steel: 8.8, 10.9
- Stainless: A2, A4
Terminology and Measurements
- s – the size of the hexagon
- m – the height of the nut
- d – the nominal diameter of the thread
- e – nut width
- da – Turning diameter shrinkage
- dw – contact surface diameter
| Thread size d | da max. | dw min. | e min. | m min. | m max. | s max. | s min. | weight kg/1000pcs |
|---|---|---|---|---|---|---|---|---|
| G 1/8 | 10,5 | 16,5 | 19,85 | 6 | 6,48 | 18 | 17,57 | - |
| G 1/4 | 14,2 | 19,1 | 22,78 | 67 | 6,48 | 21 | 20,16 | - |
| G 3/8 | 18 | 24,8 | 29,56 | 8 | 7,8 | 27 | 26,16 | 26,1 |
| G 1/2 | 22,6 | 31,3 | 37,29 | 8 | 8,58 | 34 | 33 | - |
| (G5/8) | 24,7 | 31,3 | 37,29 | 9 | 8,58 | 34 | 33 | - |
| G3/4 | 28,6 | 32,3 | 39,55 | 9 | 9,58 | 36 | 34 | 43,6 |
| (G7/8) | 32,6 | 38 | 45,2 | 10 | 9,58 | 41 | 40 | 54 |
| G1 | 35,9 | 42,8 | 50,85 | 10 | 10,58 | 46 | 45 | 81,3 |
| (G1 1/8) | 40,9 | 46,5 | 55,37 | 11 | 10,58 | 50 | 49 | 95 |
| G1 1/4 | 45,3 | 51,1 | 60,79 | 12 | 11,7 | 55 | 53,8 | 117 |
| G1 1/2 | 51,6 | 55,9 | 66,44 | 13 | 12,7 | 60 | 58,8 | 134 |
| (G1 3/4) | 58 | 64,7 | 76,93 | 13 | 13,7 | 70 | 68,1 | 213 |
| G2 | 64,4 | 69,4 | 82,6 | 16 | 13,7 | 75 | 73,1 | 277 |
| (G2 1/4) | 71 | 78,7 | 93,56 | 16 | 16,7 | 85 | 82,8 | 378 |
| G2 1/2 | 81,2 | 88,2 | 104,86 | 19 | 16,7 | 95 | 92,8 | 449 |
| G3 | 94,9 | 97,7 | 116,16 | 22 | 19,84 | 105 | 102,8 | 554 |
| G4 | 122 | 125,9 | 149,72 | 22 | 22,84 | 135 | 132,5 | 1040 |
| G5 | 149,5 | 154,4 | 183,06 | 22 | 22,84 | 165 | 162,5 | 1330 |
| G6 | 177 | 176,1 | 209,5 | 25 | 25,84 | 190 | 185,4 | 1850 |