Nylon Hex Lock Nut Zinc: A six sided internally threaded nut with a nylon collar on the back side. When a bolt engages with the collar, the threads and nylon form a tight fit, restricting movement of the bolt. These nuts are low carbon steel designed to be used with low carbon steel bolts. They are a good choice if using in a situation where vibration exists.
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Country of Origin varies; Country of Origin is subject to change
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