BDURA-CON 317037CDCY 38-16-Inch Serrated Flange Nut, Box of 100 ReviewbP PP DURA-CON 317037CDCY 38-16-Inch Serrated Flange Nut, Box of 100 PSuperior corrosion resistance and extra strengthPSpecial coating prevents galvanic corrosionPCompatible with other metals. Special coating prevents galvanic corrosionPThreads will not gall like stainless steel bolts do.