40671 5/8" USS Flat Washers - Galvanized Box/25

Overview The 40671 5/8" USS Flat Washers – Galvanized (09144) is designed for load distribution applications with threaded fasteners in general construction, structural assembly, and hardware installations. Specification Detail MPN 09144 Brand Midwest Fastener Corp. Bolt Size 5/8" Washer Standard USS (United States Standard) Finish Galvanized Quantity per Box 25 pieces Technical Features USS Standard Body Geometry: Features a large, wider outside diameter compared to SAE flat washers, providing a broader bearing surface to distribute clamping load across a greater area and reduce the risk of fastener pull-through. Galvanized Finish: Zinc-based galvanized coating provides corrosion resistance, making these washers suitable for use in outdoor and exposed environments. 5/8" Bolt Compatibility: Sized to fit 5/8" threaded fasteners, ensuring proper seating and alignment during assembly. Flat Profile with Center Hole: Thin, flat plate construction with a center hole allows the washer to sit flush against mating surfaces, preventing fastener damage to the base material. Applications General construction and structural bolted connections requiring load distribution Outdoor and exposed installations where corrosion resistance is required Use with 5/8" bolts, nuts, and threaded rod in wood, metal, or composite assemblies Framing, decking, fencing, and heavy hardware applications