The FLAT WASHER SAE ZINC 1/2" EXTRA THICK THRU HARDENED is engineered for optimal stress distribution in demanding environments. Constructed from thru hardened steel and coated with zinc for corrosion resistance, this washer is ideal for applications requiring reliable fastening solutions. With a thickness that exceeds standard washers, it is perfect for heavy machinery, automotive, and industrial use where durability is essential. Ensure your projects maintain integrity and performance with this superior flat washer.