| Manufacturer | BOSSARD |
| Type of spacer | washer |
| Kind of washer | internally serrated |
| Material | spring steel |
| Plating material | zinc |
| DIN standard | DIN 6797J |
| BN standard | BN 790 |
| PN standard | PN 82023 |
| Symbol | Thread | Internal diameter | Outside diameter | Height |
|---|---|---|---|---|
| [mm] | [mm] | [mm] | ||
| B2X2.2/BN790 | M2 | 2.2 | 4.5 | 0.3 |
| B3/BN790 | M3 | 3.2 | 6 | 0.4 |
| B12.5/BN790 | M12 | 13 | 20.5 | 1 |