| Hersteller | BOSSARD |
| Montage Element | Mutter |
| Gestalt der Mutter | Sechskant |
| Eigenschaften | flaches Profil |
| Material | Messing |
| DIN Norm | DIN 439B |
| BN Norm | BN 508 |
| ISO Norm | ISO 4035 |
| Beschichtungsmaterial | Nickel |
| Symbol | Gewinde | Schlüsselgröße |
|---|---|---|
| [mm] | ||
| B2/BN508 | M2 | 4 |
| B2.5/BN508 | M2,5 | 5 |
| B3/BN508 | M3 | 5,5 |
| B4/BN508 | M4 | 7 |