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Flat Washer, 5/8 in, USS
Flat washers are used to increase the surface area of fasteners, evenly distributing the force applied when tightening them to a surface. They also prevent loosening due to vibration, stop bolts or screws from pulling through, and act as spacers. Manufactured from unhardened carbon steel and zinc-plated, meeting ASME B18.21.1 standards.
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