[5 PKG] Heavy Hex Lock Nuts NU Nylon Inserts Steel Zinc 2-4.5

Heavy Hex Lock Nuts NU Nylon Inserts Steel Zinc 2-4.5 are high-performance locking fasteners engineered for reliability in vibration-prone environments. Featuring a nylon insert (NU) that provides a secure locking action, these nuts resist loosening under dynamic loads while delivering consistent clamping force.

Constructed from durable steel with a zinc finish, they combine strength and corrosion resistance suitable for demanding industrial, automotive, and equipment applications.

• Locking mechanism: Nylon insert (NU) creates a positive locking action to prevent back-off.
• Material & finish: Steel core with zinc plating for durability and corrosion resistance.
• Size range: Heavy hex nuts available in sizes 2 to 4.5.
• Design advantages: Heavy hex geometry allows for higher torque transmission and easier wrench access.
• Recommended applications: Machinery, industrial equipment, automotive assemblies, and anywhere secure fasteners are required.

Choose Heavy Hex Lock Nuts NU Nylon Inserts for dependable locking performance, fast installation, and long-lasting service life. Add to your cart now for immediate use in your next project.