3/8-16 Nylon Insert Lock Nuts Grade 8 Nylock Nuts 100 Pack Coarse Thread Built Tough Zinc Plated For Strong Vibration Free Fastening Great For Auto DIY Projects

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3/8-16 Nylon Insert Lock Nuts Grade 8, 100 Pack Zinc Plated
✔️ 3/8-16 Nylock nuts, Grade 8, coarse thread, zinc plated, 100 pcs

These nylon insert lock nuts are built for high-strength, vibration-prone setups in automotive, equipment, and DIY projects. They lock securely on 3/8-16 bolts and resist loosening under movement. Packaged in the USA and ASME B18.16.6 compliant (nylock/nylok) for reliable performance. Size 3/8" (9/16" wrench), height 0.453" (11.5 mm), hex height min 0.335" (8.5 mm).

✅ Size: 3/8-16, coarse thread
✅ Nylon insert provides vibration-locking action
✅ Grade 8 steel, heat-treated for high strength
✅ Zinc plated for corrosion resistance
✅ 100 nuts per pack
✅ Wrench size: 9/16 in
✅ Meets ASME B18.16.6 Nylock/nylok standard

💡 What is a nylon insert lock nut and how does it prevent loosening under vibration? This handy explanation helps you pick the right fastener for auto and DIY work.
- Nylon insert increases friction on threads to resist back-off under movement
- Grade 8 steel delivers high load capacity for demanding assemblies
- Zinc plating resists corrosion in automotive environments
- 3/8-16 coarse threads align with common fasteners

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