Internal Tooth Star Lock Washers Kit 304 Stainless Steel Assortment With 485 Pieces In 8 Sizes M2.5 To M12 For Anti Loose Fastening In DIY Projects Machinery Automotive And Home Repairs

Premium 304 Stainless Internal Tooth Lock Washer Set, 485pc
✔️ 8 sizes: M2.5-M12, 485 pieces in clear storage case

This internal tooth star lock washer kit provides 485 metric washers from M2.5 to M12 in 304 stainless steel, built for corrosion resistance and durability. It's ideal for DIY projects, automotive work, machinery maintenance, electrical appliances, and home repairs. The clear storage case keeps sizes organized for quick selection.

✅ 485 pieces in 8 sizes: M2.5(100), M3(100), M4(100), M5(70), M6(50), M8(30), M10(25), M12(10)
✅ 304 stainless steel for corrosion resistance and long service life
✅ Internal tooth design applies spring force and distributes bolt load
✅ Durable clear case prevents mix-ups and loss of washers
✅ Widely compatible with standard screws, nuts, and bolts in many applications

💡 What is an internal tooth lock washer used for in mechanical assemblies?

It's a handy fastener accessory that helps prevent loosening by increasing friction and distributing load in vibration-prone setups.

- 304 stainless steel provides corrosion resistance and longevity in harsh environments
- Increases friction between bolt and substrate to improve retention in automotive, machinery, and DIY work
- Comes in eight sizes (M2.5-M12) with a clear case for quick selection in repairs