Flat Washers Steel - general use; Stainless Steel - corrosion and chemical resistant; Solid Brass - good in water and salt air; Silicon Bronze - harder than brass, marine use and high resistance to extreme temperatures; Hard Alloy - use with grade 5 to 8 bolts.
CA Prop. 65 WarningWARNING:This product may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
