Internal Tooth Star Lock Washers Set 420 Pieces 5 Sizes M2 To M5

Internal Tooth Star Lock Washers Set: 420 Pieces, 5 Sizes
✔️ 420 pieces across 5 sizes: M2, M2.5, M3, M4, M5; 65Mn steel

These internal tooth star lock washers are built from high quality 65Mn steel, delivering a smooth surface with oxidation and wear resistance for long life in harsh environments. Use them in machinery, electronics, automotive projects, and furniture assemblies; they pair well with sealed ball bearing and linear slide unit setups. The clear storage box keeps five sizes neatly organized for quick access.

✅ 5 sizes: M2, M2.5, M3, M4, M5
✅ 420 pieces total in a durable kit
✅ Material: 65Mn steel with oxidation and wear resistance
✅ Storage: transparent box with labeled grids for each size
✅ Applications: machinery, electronics, automotive, furniture, industrial use

💡 What is a lock washer kit used for?

This handy overview explains the core use cases for locking washers in everyday projects. - Lock washers provide spring tension and extra friction to resist loosening - Handy for securing fasteners in machinery, automotive, electronics, and furniture - Internal tooth design bites into the substrate for better grip - Use with compatible bolts and nuts to maintain joint integrity