Constructed to prevent the crushing of wood fibers under heavy loads, these square curved washers are an essential component in various aerial hardware applications. With a robust design measuring 3 inches square and 1/4 inch thick, they are perfect for use with 5/8 inch diameter bolts, featuring a precisely sized 11/16 inch hole. Each washer is galvanized in accordance with ASTM A-153 or ASTM B695 to ensure durability and resistance against corrosion, maintaining compliance with industry standards set by NEMA PH-10. Each package contains 50 units, making them a practical choice for projects requiring reliable and sturdy hold across aerial line hardware setups.