Engineered for robust performance in demanding aerial applications, this washer from Allied Bolt stands out with its high-strength ductile iron construction, ensuring durability and longevity. Specifically designed to accommodate a 5/8-inch bolt, its square dimensions of 2-1/4 inches provide a reliable foundation, while a thickness of 1/4 inch at the boss enhances stability during use. Furthermore, the hot dip galvanized finish meets ASTM Specification A153, ensuring that this washer can withstand the elements and maintain its integrity in various environmental conditions. Perfectly suited for use in aerial hardware and poles, this component is essential for achieving secure and effective connections in your installations.