Zinc Plated Galvanized Carbon Steel K-lock Nut 

Hexagonal shape Keps K Lock Nuts Also known as a Keps Nut, K Lock Hex Nut, and K Lock Nut Features an attached free-spinning external tooth (star) lock washer Lock washer helps to prevent unintentional loosening of the assembly Zinc plated to add durability and a layer of protection UNC and UNF Sizes Available Nut Size Width Across Flats Overall Thickness Washer Diameter #4 1/4" Max 0.098 - Min 0.087 Max 0.286 - Min 0.277 #5 5/16" Max 0.114 - Min 0.102 Max 0.348 - Min 0.338 #6 5/16" Max 0.114…

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