Screw m5x85 8.8 z/b (4 ps) De Dietrich 7754844

The screw m5x85 8.8 z/b is a metric fastener with a diameter of 5 mm, a length of 85 mm, and a strength class of 8.8. The 'z/b' designation indicates a zinc-plated finish for corrosion resistance, making it suitable for use in heating environments where moisture may be present. This screw is often used to secure larger components or to provide extended reach in assemblies. Proper fastener selection is important for maintaining structural integrity in boiler and burner systems. It is a common part for maintenance and repair tasks.