| Manufacturer | BOSSARD |
| Type of protective element | cylindrical stud |
| Material | hardened steel |
| DIN standard | DIN 6325 |
| BN standard | BN 858 |
| Symbol | Diameter | Length | Protecting element features |
|---|---|---|---|
| [mm] | [mm] | ||
| B1X12/BN858 | 1 | 12 | tolerance class h6 |
| B1.5X6/BN858 | 1.5 | 6 | tolerance class h6 |
| B2X8/BN858 | 2 | 8 | tolerance class h6 |
| B2X12/BN858 | 2 | 12 | tolerance class h6 |
| B2X30/BN858 | 2 | 30 | tolerance class h6 |
| B2X40/BN858 | 2 | 40 | tolerance class h6 |
| B2.5X30/BN858 | 2.5 | 30 | tolerance class h6 |
| B3X10/BN858 | 3 | 10 | tolerance class h6 |
| B3X18/BN858 | 3 | 18 | tolerance class h6 |
| B3X20/BN858 | 3 | 20 | tolerance class h6 |
| B3X30/BN858 | 3 | 30 | tolerance class h6 |
| B3X50/BN858 | 3 | 50 | tolerance class h6 |
| B4X22/BN858 | 4 | 22 | tolerance class h6 |
| B4X28/BN858 | 4 | 28 | tolerance class h6 |
| B4X60/BN858 | 4 | 60 | tolerance class h6 |
| B5X16/BN858 | 5 | 16 | tolerance class h6 |
| B5X18/BN858 | 5 | 18 | tolerance class h6 |
| B6X40/BN858 | 6 | 40 | tolerance class h6 |
| B8X36/BN858 | 8 | 36 | tolerance class h6 |
| B8X40/BN858 | 8 | 40 | tolerance class h6 |