Pinnacle M5 Zinc Plated Nylon Lock Nut - 8 Pack

These 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 a heat source as the nylon insert will deform affecting the locking ability. Use a wrench or socket to tighten the nut.