100 Pack M2 X 0.4mm Carbon Steel Hex Lock Nuts With Nylon Insert Self Locking For Vibration Prone Projects Built To Last Anti Loosening Hardware For Tiny Screws And Micro Machining

100-Pack M2 x 0.4mm Carbon Steel Nylon Insert Hex Lock Nuts
✔️ M2x0.4mm thread; 4mm hex width; 3mm nut; zinc-plated steel

These hex lock nuts are built for small fasteners and resist loosening under vibration. They’re commonly used in electronics, micro-machining, wood projects, and other environments where tiny screws and precision work are involved.

✅ Dimension: M2 x 0.4mm thread; pitch 0.4mm (0.02"), hex width 4mm (0.16"), nut thickness 3mm (0.12")
✅ Material: Carbon steel with zinc plating for rust resistance
✅ Locking feature: Nylon insert resists turning under vibration
✅ Pack size: 100 pieces, Color: Black

💡What is a nylon insert hex lock nut and why is it handy in small assemblies?

These nuts use a nylon collar to resist turning and stay tight under vibration, making them dependable for small fasteners.

- They resist loosening under vibration and torque
- Handy for electronics, micro-machining, and wood projects
- Zinc-plated carbon steel provides rust resistance and durability
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