| Manufacturer | BOSSARD |
| Type of spacer | washer |
| Kind of washer | conical |
| Material | spring steel |
| Plating material | zinc |
| BN standard | BN 13292 |
| Manufacturer series | RIP-LOCK |
| Symbol | Thread | Internal diameter | Outside diameter | Height |
|---|---|---|---|---|
| [mm] | [mm] | [mm] | ||
| B5/BN13292 | M5 | 5.1 | 12 | 1.8 |
| B6/BN13292 | M6 | 6.1 | 14 | 2.1 |
| B8/BN13292 | M8 | 8.1 | 18 | 2.5 |
| B12/BN13292 | M12 | 12.4 | 27 | 3.1 |
| B16/BN13292 | M16 | 16.4 | 32 | 4.1 |