Constructed from high-quality steel and designed to enhance the stability of wood structures, this double-coil spring washer serves an essential role in countering shrinkage in wood members. With a 13/16" diameter hole suitable for a 3/4" diameter bolt, it provides a secure fit while ensuring optimal performance under varying conditions. Galvanized in accordance with ASTM A-153, this washer also offers increased corrosion resistance, making it a reliable choice for outdoor and aerial applications. Suitable for professionals in utility and construction, this robust lock washer is a key component in maintaining the integrity of aerial line hardware and poles.