Carbon Steel Flat Washer, M18 * 45 mm, HD 100 HV, Zinc Plated

This flat washer from a China-based supplier delivers reliable load distribution and surface protection for metric fastening assemblies. It features M18 internal diameter sizing with a 45 mm outside diameter for optimal bearing area coverage. The 100 HV hardness rating ensures adequate strength without compromising ductility under clamping loads. A zinc plated surface provides corrosion resistance and extended service life in standard environments.