Round Flat Washers Flat washers provides a larger circular bearing surface which helps prevent a nut or bolt head from pulling through the material. Flat washers are commonly used in any application using a bolt where two pieces of material are being drawn together. In addition, they are sometimes used as spacers. The washer size designates the diameter of hole in the center. Flat washers are used with bolts and washers of the same diameter, material, and finish. Our inventory of flat washers includes a variety of sizes, many of which are available in either stainless steel or hot dipped galvanized finish. If you don't see the size, grade, or finish you are looking for, please call us at 1.800.677.4710. Product Highlights: 3/8" round flat washer Stainless steel, type 18-8 Package quantity: 1 piece
