The BOSSARD 1411896 is a hexagon-head, hardened steel, non-threaded Screw that is 6.3mm in diameter and 80mm in length. It is made from hardened steel, which makes it stronger and more resistant to wear and tear. It is also corrosion-resistant, which ensures its durability and longevity. The hexagonal head makes it easier to grip when tightening and loosening the screw. This particular screw is BN-75 classified, meaning, it has been designed and tested to meet the most demanding needs in terms of quality, safety, and performance.