DIN 557 - Square Nuts
Equivalent norms: CSN 21624; PN 82151; UNI 5597;
| Company | City | Country | Company profile |
|---|---|---|---|
| TOP EU Fasteners Portal, s.r.o. | Brno | Czech Republic | See Detail |
| Lenson | West Bromwich | United Kingdom | |
| Triplefast International Ltd | Bilston | United Kingdom | |
| Kromet Zakład Produkcyjno-Usługowo-Handlowy | Białystok | Poland | |
| ALTIPLAS | High Wycombe | United Kingdom | |
| Fasteners Distribución, S.L. | Santa Perpetua de Mogoda | Spain | |
| Odermatt Handels AG | Niederwil SG | Switzerland | |
| UMHS (Union Métallurgique de la Haute-Seine) | VERT ST DENIS | France | |
| Hastinik, S.A. | Santa Perpetua de Mogoda | Spain | |
| STANLEY Engineered Fastening | Born | Netherlands |
Legend:
m - height of the nut
d - the nominal diameter of the thread
s - size square
mw - height
Makings:
Steel: 05
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 7H
Notes:
-
Table according to DIN 557:
dimensions in mm
| Thread size d |
M5 | M6 | M8 | M10 | M12 | M16 | |||
| P | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | |||
| dw | min. | 6,7 | 8,7 | 11,5 | 14,5 | 15,5 | 16,5 | 17,2 | 22 |
| e | max. | 11,3 | 14,1 | 18,4 | 22,6 | 24 | 25,4 | 26,9 | 33,9 |
| min. | 9,93 | 12,53 | 16,34 | 20,24 | 21,54 | 22,84 | 24,02 | 30,11 | |
| m | Nominal size max. | 4 | 5 | 6,5 | 8 | 10 | 13 | ||
| min. | 3,52 | 4,52 | 5,92 | 7,42 | 9,42 | 12,3 | |||
| mw | min. | 2,5 | 3,2 | 4,1 | 5,2 | 6,6 | 8,6 | ||
| s | Nominal size max. | 8 | 10 | 13 | 16 | 17 | 18 | 19 | 24 |
| min. | 7,64 | 9,64 | 12,57 | 15,57 | 16,57 | 17,57 | 18,48 | 23,16 | |
| weight kg/1000pcs |
1,31 | 2,77 | 5,5 | 10,7 | 13 | 16,3 | 19,1 | 38,2 | |