Hexagon nut gr.5 plain

Hexagon nut gr.5 plain 1/4-20 Hexagon nut gr.5 plain 5/16-18 Hexagon nut gr.5 plain 3/8-16 Hexagon nut gr.5 plain 7/16-14 Hexagon nut gr.5 plain 1/2-13 Hexagon nut gr.5 plain 9/16-12 Hexagon nut gr.5 plain 5/8-11 Hexagon nut gr.5 plain 3/4-10 Hexagon nut gr.5 plain 7/8-9 Hexagon nut gr.5 plain 1''-8