Brighton Best's #10 x 7/16 in. x 0.05 in. Stainless Steel Flat Washer helps reduce localized pressure around a fastener hole and can protect the work surface from direct contact with a nut or bolt head. The 18-8 stainless steel specification provides a balance of corrosion resistance, strength, and general-purpose durability for everyday fastening requirements. Its flat washer design makes it appropriate for use with machine screws, bolts, and other compatible threaded fasteners in applications requiring dependable load distribution and a clean, consistent fit.