For those in need of reliable fastening solutions, this washer from Allied Bolt is engineered to enhance the performance of your bolt and nut assemblies. With dimensions of 2-1/4 inches by 2-1/4 inches, it is specifically designed for use with 11/16 inch bolts and boasts a thickness of 3/16 inches. Crafted from AISI 1018 Steel and hot-dip galvanized to comply with ASTM Specification A153, this washer provides excellent corrosion resistance while ensuring a robust bearing surface. Additionally, its unique 4-1/2 inch radius contour allows it to fit seamlessly under the heads of nuts and bolts, increasing compression grip and overall stability in aerial hardware applications.