Flat & Lock washers provide a circular load-bearing surface for nuts & bolts
Always use washers of a similar screw size and finish to the nuts & bolts used in the application
Included variants run from #4 thru 1/2" in screw size
Stainless steel finish for best-in-class corrosion resistance
Used in applications with nuts and bolts. The flat washer provides a greater bearing surface which helps prevent a nut or bolt head from tearing through the material. Flat washers are commonly used in decks and fence building. The called out size is the inner diameter of the washer.