Beefy Nylon Insert Lock Nuts Grade 8 5/8-18 Steel With Yellow Zinc Finish 3 Pack Heavy Duty Fasteners For Auto Home Farm And Industrial Projects Requires 15 16 Inch Wrench Drive

Heavy-duty Grade 8 Nylon Lock Nuts, 5/8-18, Yellow Zn, 3-Pack
✔️ 5/8-18 threads, 0.7656 in thick, steel with yellow zinc, 3-pack

This rugged nylon insert lock nut set delivers secure fastenings for automotive, farm, home, and industrial projects. Each 3-pack uses Grade 8 steel, nylon insert, and a yellow zinc finish for corrosion resistance. Drive size requires a 15/16 inch wrench.

✅ Diameter: 5/8 in (15.875 mm)
✅ Thickness: 49/64 in (19.44 mm)
✅ Thread: 5/8-18 UNC (18 TPI)
✅ Material:
✅ Finish: Yellow zinc
✅ Nylon insert: Nylon insert lock nut
✅ Grade: 8
✅ Pack: 3-pack
✅ Drive size: 15/16 in

💡 What is a nylon insert lock nut and when should you use it?

These nuts resist loosening in vibration-prone setups. - Prevailing torque prevents back-off in automotive, farm, and industrial assemblies
- Works with 5/8-18 threaded fasteners and Grade 8 steel hardware
- Handy for high-load, high-vibration environments where a secure fit matters
- Yellow zinc finish adds corrosion resistance in harsh settings
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