Pinnacle Hardware Lock Nuts are hex nuts with nylon inserts providing the ability to prevent the nut loosening from the bolt during the course of vibration. Suitable for a wide variety of fastening applications.
Please note that the nylon lock nut is a single-use item. It cannot be used near heat source as the nylon insert will deform affecting the locking ability. Use a wrench or socket to tighten the nut.
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