Back Home / Fasteners / Washers / FLAT WASHER SAE ZINC 1/4″ FLAT WASHER SAE ZINC 1/4″ SKU: SFW14 Categories: Fasteners, Washers Used to improve stress distribution, and to span large holes. SAE PATTERN. Made from low carbon steel, zinc plated. Outside Diameter: 5/8″ Inside Diameter: 9/32″ Case Quantity: 100 Log In For Pricing