Nyloc Nuts - Nylon Insert Lock Nuts | AFT Fasteners

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Nyloc Nut - Nylon Insert Lock Nuts

A nylon insert lock nut, also referred to as a nyloc nut, polymer-insert lock nut, or nylon insert (elastic) stop nut, is a common type of locknut comprised of a hex nut with a fixed nylon-filled collar at its back end. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, thus restricting movement of the screw when it is subject to vibration. Nyloc nuts are designed to be used with machine screws and bolts and can be reused.

Nylon Insert Locknuts are available in different series/types including: NE (Light Hex, Standard Height), NTE (Light Hex, Thin Height), NTU (Heavy Hex, Thin Height), NU (Heavy Hex, Full Height), NM (Machine Screw Pattern, Standard Height), and NTM (Machine Screw Pattern/Thin (Jam) Height).

AFT Fasteners is a trusted online supplier of Nyloc Nuts. Search our selection online including steel and stainless steel, metric and inch, Grade-10, Grade-A, Grade-C, Class 8, and Class 10 Nylon Insert Lock Nuts. If you can’t find what you need online, please contact us today for a custom quote.

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