A lock nut is a nut that resists loosening under vibrations and torque.
Diameter: 5/16″Diameter 2: 9/16″Thickness: 11/32″Material: Stainless SteelDriver Type: 1/2″ WrenchThread Size: 18 (Coarse)Hardness: 18-8Style: Waxed Nylon InsertType: Lock Nut
Diameter: 3/8″Diameter 2: 21/32″Thickness: 15/32″Material: Stainless SteelDriver Type: 9/16″ WrenchThread Size: 16 (Coarse)Hardness: 18-8Style: Waxed Nylon InsertType: Lock Nut

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