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Collar nuts |
Extract from DIN 6331 |
| d1 | d2 | a | e ~ | m | s |
| M 6 | 14 | 3 | 11,5 | 9 | 10 |
| M 8 | 18 | 3,5 | 15 | 12 | 13 |
| M 10 | 22 | 4 | 18 | 15 | 16 |
| M 12 | 25 | 4 | 20,5 | 18 | 18 |
| M 14 | 28 | 4 | 25,4 | 21 | 22 |
| M 16 | 31 | 5 | 27,7 | 24 | 24 |
| M 20 | 37 | 6 | 34,6 | 30 | 30 |
| M 24 | 45 | 6 | 41,6 | 36 | 36 |
| M 30 | 58 | 8 | 53,1 | 45 | 46 |
| M 36 | 68 | 10 | 63,5 | 54 | 55 |
| Specification | Information | How to order |
| Steel Tensile strength 1000 N/mm2 blackened |
Collar nuts DIN 6331 are used on clamping
applications which require frequent clamping and "unclamping (m = 1,5 x
d1).
The collar of the nut eliminates the need for "washers. |
Collar nut DIN 6331-M16 Code
No. 6331 |
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