| Manufacturer | BOSSARD |
| Type of mounting element | screw |
| Kind of head | knurled, cheese head |
| Kind of cut | hex key |
| Material | steel |
| Plating material | without coating, black finish |
| DIN standard | DIN 912 |
| BN standard | BN 13 |
| Strength class | 12.9 |
| PN standard | PN 82302 |
| Kind of thread | inch, UNC |
| Caution! | after installation, the screw should beimmediately protected against corrosion! |
| Symbol | Thread | Head diameter | Head height | Length - inch | Cut size - inch |
|---|---|---|---|---|---|
| [mm] | [mm] | ["] | ["] | ||
| B1/2X1/1/4/BN13 | 1/2" | 19 | 12.7 | 1 1/4 | HEX 3/8 |
| B1/4X3/4/BN13 | 1/4" | 9.5 | 6.4 | 3/4 | HEX 3/16 |
| B1/4X7/8/BN13 | 1/4" | 9.5 | 6.4 | 7/8 | HEX 3/16 |
| B5/16X13/4/BN13 | 5/16" | 11.9 | 7.9 | 1 3/4 | HEX 1/4 |
| B5/16X3/4/BN13 | 5/16" | 11.9 | 7.9 | 3/4 | HEX 1/4 |