Internal Tooth Star Lock Washers Set 360 Pieces In 9 Sizes Assortment Kit

Internal Tooth Star Lock Washer Kit - 360 Pieces in 9 Sizes
✔️ 360 pcs, nine sizes from M2 to M12, 65Mn steel, boxed set

This 360-piece set includes nine sizes of internal tooth star lock washers (M2 through M12) for quick grip, vibration resistance, and improved retention in machinery, automotive, and home projects. Each size is stored in a transparent box for fast selection.

✅ 9 sizes total: M2, M2.5, M3, M4, M5, M6, M8, M10, M12
✅ Material: 65Mn steel with corrosion and oxidation resistance
✅ Function: internal tooth design adds spring force and friction to resist rotation
✅ Pack: 360 pieces in a durable transparent box with clear labels

💡 What is an internal tooth star lock washer used for in machinery?

This handy piece helps prevent fastener loosening in vibration-heavy setups.

- Adds spring force between bolt and base to increase grip - Creates friction to resist rotation under load - Works with multiple bolt sizes in this 9-size set (M2-M12)