Hide Show Product DetailsMaterialZinc Plated SteelSize (In)5/16 inDescriptionThe Devco® 6502 Finished Hex Nuts, 5/16 in. - 18 size, pack of 38 hex nuts are zinc plated steel.6502HilmorQuick-SlingSpeedichannelDevcoCliplightDiversiTechAsuritySpin Tools Customer Reviews Hide Show Write a Review