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Locknuts are nuts that resist loosening under vibrations and torque. That’s why they’re used in automotive engines to reduce vibration, and hold wheels tight against the axles. Some locknuts have a nylon insert, which help keeps the nut more snug against the bolt. Zoro has a super selection of nuts and bolts, including flange nuts, hex nuts, and wheel nuts too.

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1 - 36 of 2,781 results