Precise 3/8 in Inner Diameter: Galvanized flat washers engineered with 3/8 inch inner diameter; offers compatibility with bolts and nuts for secure, stable installationsEnhanced Load Distribution: Designed to increase load bearing surface under a fastener head; helps evenly distribute pressure and reduce surface damageDurable Galvanized Steel: Manufactured with hot dipped galvanized finish for superior rust resistance; ideal flat washer material for outdoor or moisture-prone applicationsVersatile Application Uses: Suitable for decks, fencing, construction, and general repair; prevents bolt or nut heads from pulling through wood, metal, or composite surfacesTrusted Hillman Fastener: USS style flat washer in industrial gray; designed for use with USS bolts and nuts to deliver reliable holding power with every project