[100 PKG] Hex Lock Nuts NU Nylon Inserts Steel Zinc 1/2-13

Hex Lock Nuts NU Nylon Inserts Steel Zinc 1/2-13 are built for secure, vibration-resistant fastening in a compact hex nut profile. These nylon insert lock nuts—often called nylock nuts—combine a hardened steel core with a heat-resistant nylon insert to provide reliable locking action that resists loosening under dynamic loads.

Key features

• Locking action comes from the NU nylon insert, which grips the bolt threads to prevent loosening from vibration and shock.
• Durable steel with zinc finish delivers corrosion resistance and long service life in harsh environments.
• Hex nut design enables easy installation and removal with standard wrenches and sockets.
• Thread size 1/2-13 provides compatibility with 1/2-inch bolts and common hardware standards.
• Versatile applications ideal for automotive, machinery, equipment, and general fastener assemblies.

Specifications

• Material: Steel
• Finish: Zinc plating
• Type: Nylon insert lock nut (NU)
• Thread: 1/2-13
• Style: Hex lock nut

Enhance reliability in high-vibration environments with these nylon insert lock nuts. Add them to your toolkit today and ensure secure, maintenance-free fastenings across your projects.