5/16 18 Nylon Insert Lock Nuts Grade 8 Alloy Steel Nylock Hex Nuts Yellow Chromate Zinc High Strength 50 Pack For Automotive And Industrial Fastening Projects

5/16-18 Grade 8 Alloy Nylock Nuts in Yellow Zinc Pack
✔️ Nylon insert lock nuts, Grade 8 alloy steel, 5/16-18 USS

These high-strength Nylock nuts are made from quenched and tempered alloy steel with a yellow chromate zinc coating. They’re ideal for heavy-duty automotive and industrial fastenings, where vibration resistance and secure clamp load matter. This 50-piece bulk pack keeps shop inventories ready for maintenance and repair tasks.

✅ Nut type: Nylon insert lock nut (Nylock)
✅ Thread size: 5/16-18
✅ Thread type: USS coarse thread
✅ Grade: Grade 8
✅ Material: Quenched and tempered alloy steel
✅ Finish: Yellow chromate zinc coating
✅ Quantity: 50 pieces
✅ Minimum tensile strength: 150,000 PSI

💡 What is a nylon insert lock nut used for in high-load assemblies?

Handy locking fastener that helps prevent loosening in vibrating or shock-loaded systems.

- Maintains clamp load in heavy machinery and automotive applications
- Resists vibration-induced back-off thanks to nylon insert
- Grade 8 alloy steel provides durability under high stresses
- Yellow chromate zinc coating aids corrosion resistance and inspection
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