... hex flange nut Class 5, 8, 10 Plain finish, YZP, BZP CS, SS304, SS316, Brass nut Size from M3 to M36 Carbon Steel Serrated Hex Flange ... YZP, BZP, HDG, Nickle, ChromeOther Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70 ... Material available, Nickle, CS, Brass, etcIn Stock Hex Nut Available (below sizes only)M6, M8, M10, ... Carbon Steel zinc plated serrated Hex Flange Nut