Hexagon head screw, inch

ASME B18.2.1 steel GR2 plain

ASME B18.2.1 steel GR2 plain

ASME B18.2.1 steel GR8 zinc-plated

ASME B18.2.1 steel GR8 zinc-plated blue passivated (A2K)

ASME B18.2.1 steel GR8 zinc-plated yellow

ASME B18.2.1 steel GR8 zinc-plated yellow

ASME B18.2.1 steel GR5 zinc-plated yellow

ASME B18.2.1 steel GR5 zinc-plated yellow

ASME B18.2.1 stainless steel 316 plain

ASME B18.2.1 stainless steel 316 plain UNC (standard thread)

ASME B18.2.1 steel GR5 zinc-plated UNF

ASME B18.2.1, grade 5 steel, zinc-plated, blue-passivated (A2K)

ASME B18.2.1 steel GR5 plain

ASME B18.2.1 steel GR5 plain

ASME B18.2.1 steel GR8 plain

ASME B18.2.1 steel GR8 plain

Screw, hexagon head, inch, others

ASME B18.2.1 steel GR2 zinc-plated

ASME B18.2.1 steel GR2 zinc-plated blue passivated (A2K)

W-0072 steel GR5 zinc plated UNC

W-0072, steel GR5, galvanised, blue coated (A2K), UNC (standard thread)

ASME B18.2.1 stainless steel 18-8 plain

ASME B18.2.1 stainless steel 18-8, plain

W-0071 steel GR5 zinc plated UNF

W-0071, steel GR5, galvanised, blue passivated (A2K), UNF (fine thread)

ASME B18.2.1 steel GR5 zinc-plated UNC

ASME B18.2.1 steel GR5 zinc-plated blue passivated (A2K)