security nuts
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Hex Castle Nut
Material: Carbon Steel, Alloy Steel, Stainless Steel Standard: ASME/ANSI B18.2.2; DIN935 Measurement system: INCH, Metric Size: 1/4''–1-1/2’’; M3 – M42 Grade / Class: SAE J995 Gr.2, 5,8; CL4, 5, 6, 8, 10, 12 Thread: M, UNC, UNF Finish: Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black),H.D.G , Y.Z.P ,Plain, Nickel, Chrome.
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