square nut
DIN557
Diameter range: M3-M20
| standard | DIN German standard |
|---|---|
| head shape | Quartet |
| Thread | Fully threaded |
| (mm) | M5 | M6 | M8 | M10 | M12 | M16 |
|---|---|---|---|---|---|---|
| P | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 |
| e(max) | 11.3 | 14.1 | 18.4 | 22.6 | 25.4 | 33.9 |
| e(min) | 9.93 | 12.53 | 16.34 | 20.24 | 22.84 | 30.11 |
| k(max) | 4 | 5 | 6.5 | 8 | 10 | 13 |
| k(min) | 3.52 | 4.52 | 5.92 | 7.42 | 9.42 | 12.3 |
| s(max) | 8 | 10 | 13 | 16 | 18 | 24 |
| s(min) | 7.64 | 9.64 | 12.57 | 15.57 | 17.57 | 23.16 |
| steel | ||
| General technical conditions | ISO 8992 | |
| Thread | tolerance | 7H |
| standard | DIN 13-15 | |
| Mechanical properties | Grade | Level 5 |
| standard | DIN EN 20898-2 | |
| tolerance | Product grade | C |
| standard | ISO 4759-1 | |
| surface treatment | Without treatment; | |
| Electroplating technology requirements are in accordance with ISO 4042; | ||
| Hot dip galvanizing technical requirements according to DIN 267-10 | ||
| Acceptance and packaging | ISO 3269 | |
