Features:DIN standard:DIN934: Hexagon Nuts DIN555: Hexagon NutsDIN439: Chamfered Hexagon Thin NutsDIN936: Hexagon Thin NutsDIN562: Square Thin NutsDIN557: Square NutsDIN6923: Hexagon Nuts With FlangeDIN985: Prevailing Torque Type Hexagon Thin Nuts With Nonmetallic Insert.ANSI standard:ANSI IFI D-5: Hex Nuts and Hex Jam NutsANSI IFI D-14: Heavy Hex Nuts and Heavy Hex Jam NutsANSI IFI D-8: Hex Thick NutsANSI IFI D-3: Square NutsANSI IFI D-12: Heavy Square NutsANSI IFI D-21: Hex Flange NutsJIS standard:JIS B1181: Hexagon NutsB.S standard:B.S.916: Black Mild SteelHex NutsB.S.1083: Bright Mild Steel Hex NutsB.S.: Square NutsISO international standard:ISO4032: Hexagon NutsISO4033: Hexagon NutsISO4035: Hexagon Thin NutsGB standard:GB-52, GB-51, GB-54, GB-6170, GB-6173, GB-6174, GB-6175
