| Manufacturer | BOSSARD |
| Mounting element | nut |
| Nut shape | hexagonal |
| Material | steel |
| Plating material | zinc |
| BN standard | BN 109 |
| DIN standard | DIN 934 |
| ISO standard | ISO 4032 |
| PN standard | PN 82144 |
| Strength class | 6 |
| Dimensions | Fig. 1. |
| Symbol | Thread | Spanner | Ht. |
|---|---|---|---|
| [mm] | [mm] | ||
| B1/BN109 | M1 | 2.5 | 0.8 |
| B1.2/BN109 | M1,2 | 3 | 1 |
| B1.4/BN109 | M1,4 | 3 | 1.2 |
| B1.6/BN109 | M1,6 | 3.2 | 1.3 |
| B1.8/BN109 | M1,8 | 3.5 | 1.4 |
| B2/BN109 | M2 | 4 | 1.6 |
| B2.5/BN109 | M2,5 | 5 | 2 |