This square washer, measuring 2-1/4 inches by 2-1/4 inches, is designed specifically for use with 3/4-inch bolts, providing an essential component for securing and stabilizing assemblies. Crafted from durable AISI 1018 steel, it ensures robust strength and longevity, even in demanding applications. The hot-dip galvanized finish not only enhances its resistance to corrosion but also meets ASTM Specification A153, making it suitable for a variety of outdoor and industrial uses. Its unique design increases the bearing surface under the head of bolts and nuts, promoting greater compression and reliability in your installations.