Hillman Fastener 180159 Coarse Thread Nylon Insert Nut Lock, Zinc, 1/2 - 13

Hillman Fasteners nylon insert lock nut is great for using with bolt and washer of the same material, finish, and grade. The nylon ring creates rotational resistance when displaced by a mating male threaded fastener, thus preventing loosening. The nylon insert also helps resist vibration and adds extra corrosion resistance.

• A low carbon steel for general use
• Great for using with bolt and washer of the same material, finish, and grade
• Zinc plated for moderate corrosion resistance
• 50 pack.

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