DIN934 ANSI hexagon nut Size:M3 to M45 Class/Grade: 5, 8 ... Grade 5, grade 8UNC and UNFStandard hex nut, hex jam nut, heavy hex nut, heavy hex jam nutASTM A194 2H, 4, 8, 8HM ... Dacromet, Cr3+,Cr6+4. Other Material Options for hex nut:Stainless Steel SS201, SS301, SS304, SS316Grade A2-70. A4 ... Material available, Nickle, Zinc Alloy, Brass, etcIn Stock Hex Nut Available (below sizes only)M6, M8, M10, M12, ...