Hexagon nut, inch

ASME B18.2.2, galvanised steel grade 5 blue passivated, UNF (fine thread)

ASME B18.2.2, galvanised steel grade 5, blue passivated, UNC (standard thread)

ASME B18.2.2, steel grade 5, plain, UNF (fine thread)

ASME B18.2.2, stainless steel 18-8, UNC (standard thread)

ASME B18.2.2, steel grade 8, yellow galvanised, UNC (standard thread)

ASME B18.2.2, galvanised steel grade 8 blue passivated, UNC (standard thread)

ASME B18.2.2, steel grade 8, plain, UNF (fine thread)

ASME B18.2.2, steel grade 2, plain, UNC (standard thread)