| Manufacturer | BOSSARD |
| Type of mounting element | screw |
| Kind of head | without head |
| Kind of cut | hex key |
| Material | A2 stainless steel |
| DIN standard | DIN 916 |
| BN standard | BN 621 |
| PN standard | PN 82317 |
| ISO standard | ISO 4029 |
| Symbol | Thread | Length | Cut size |
|---|---|---|---|
| [mm] | [mm] | ||
| B1.6X2.5/BN621 | M1,6 | 2.5 | HEX 0.7 |
| B2X2.5/BN621 | M2 | 2.5 | HEX 0.7 |
| B2.5X3/BN621 | M2,5 | 3 | HEX 1.3 |
| B2.5X6/BN621 | M2,5 | 6 | HEX 1.3 |
| B3X3/BN621 | M3 | 3 | HEX 1.5 |
| B3X4/BN621 | M3 | 4 | HEX 1.5 |
| B4X5/BN621 | M4 | 5 | HEX 2 |
| B4X12/BN621 | M4 | 12 | HEX 2 |
| B5X5/BN621 | M5 | 5 | HEX 2.5 |
| B5X16/BN621 | M5 | 16 | HEX 2.5 |