1 1/2" UNF Nylon Insert Lock Nut - Grade 8 Zinc Finish

The UNF Nylon Insert Lock Nut - Grade 8 Zinc Finish is a Hobson lock nut designed to resist loosening under vibration and dynamic loads.

Where this product is used

Hobson lock nuts resist loosening under vibration and dynamic loading, keeping critical assemblies secure over the long term.

• Vibration-prone machinery and automotive applications
• Structural connections requiring tamper resistance
• Mining and industrial equipment subject to dynamic loads

Key specifications

Selecting the right option

Choose Hobson lock nuts by thread form, grade, and mechanism — nyloc (polymer insert) for most industrial applications, HCL cone locking for high-temperature or reusable joints. Thin profile nyloc nuts are available where stack height is critical.