Engineered for robust support in aerial applications, the J6821 Square Curved Washer from MacLean Senior Industries is a vital component designed specifically for use with 5/8" bolts. Its construction from high-quality steel and galvanized finish ensures durability and corrosion resistance, making it suitable for challenging environments. Measuring 2-1/4 inches square with a thickness of 3/16 inches, this washer is designed to distribute load evenly and facilitate secure connections, further enhanced by a hole diameter of 11/16 inches. Ideal for use in both aerial hardware and pole installations, each carton contains 200 washers, ensuring you have ample supply for your project needs.