The Grade 5 S.A.E. Flat Washer is a high-quality washer designed to accompany 1/2" bolts. With a durable zinc-plated finish, it provides excellent corrosion resistance and enhanced longevity. The washer has an inner diameter of 17/32" and an outer diameter of 1-1/16", ensuring a secure fit and proper load distribution. Its slim 3/32" thickness makes it ideal for applications where space is limited, while still offering reliable support and stability to your fastening needs.