[10 PKG] Heavy Hex Lock Nuts NTU Nylon Inserts Thin Height Steel Zinc 1-3/8-6

Upgrade fastening reliability with Heavy Hex Lock Nuts NTU Nylon Inserts in a thin-height steel zinc finish. These nuts combine rugged strength with secure locking to resist loosening under vibration and shock, making them ideal for demanding industrial applications.

With an NTU nylon insert, these lock nuts grip the bolt threads for superior locking action while maintaining easy removal when you need it. The thin-height profile fits tight spaces without compromising strength, delivering a compact solution for machinery, automotive, and structural assemblies.

• Size: 1-3/8-6
• Material & Finish: Steel with zinc plating for corrosion resistance
• Locking Mechanism: Nylon NTU insert provides vibration resistance and secure locking
• Height: Thin-height design for space-constrained installations
• Type: Heavy hex nut with nylon insert

Durable, reliable, and designed for long service life, these NTU nylon insert lock nuts help you keep critical assemblies tight and safe. Add them to your hardware kit and choose the right quantity for your project.