These versatile 3/16-inch USS flat washers are essential hardware components for your fastening needs. The zinc plating provides excellent corrosion resistance, making them suitable for both indoor and outdoor applications. Each washer is precision-manufactured from high-quality plated steel to ensure consistent sizing and reliable performance. The USS (United States Standard) specification means these washers have a larger outside diameter compared to SAE washers, providing greater load distribution. This convenient 100-piece box gives you plenty of washers for multiple projects or repairs. Perfect for construction, machinery assembly, automotive work, and general maintenance tasks where reliable load distribution and surface protection are required. The flat profile helps prevent damage to the mounting surface while providing even pressure distribution around bolts and screws.