| Manufacturer | BOSSARD |
| Type of protective element | ball latch |
| Cut | slotted |
| Material | steel |
| Plating material | black finish |
| BN standard | BN 13363 |
| Manufacturer series | HALDER |
| Symbol | Thread | Length |
|---|---|---|
| [mm] | ||
| B3/BN13363 | M3 | 7.4 |
| B4/BN13363 | M4 | 9.8 |
| B5/BN13363 | M5 | 12.9 |
| B6/BN13363 | M6 | 14 |
| B8/BN13363 | M8 | 17.5 |