555 Piece 304 Stainless Steel External Tooth Lock Washer Set With 8 Sizes M2.5, M3, M4, M5, M6, M8, M10 And M12, Pro Grade Heavy Duty Star Washers For Mechanical, Automotive And Electrical Repair, Silver Tone

555-Piece 304 Stainless External Tooth Lock Washer Set
✔️ 8 metric sizes M2.5 to M12; 555 pcs, heavy-duty washers

This 555-piece kit packs eight metric sizes (M2.5, M3, M4, M5, M6, M8, M10, M12) of 304 stainless steel external tooth lock washers. It’s built to resist corrosion and deliver a strong bite in mechanical, automotive, and electrical repair work.

✅ 555 pcs total across eight metric sizes: M2.5, M3, M4, M5, M6, M8, M10, M12
✅ Premium 304 stainless steel for corrosion resistance and long life
✅ External teeth bite into fastener heads and mounting surfaces for high vibration resistance
✅ Reinforced case with tight dividers and clear size labeling
✅ Ideal for electrical, automotive, and machinery repair tasks

💡 What is an external tooth lock washer used for?

- Keeps fasteners from vibrating loose in machinery and automotive applications
- Handy for electrical terminals and equipment assemblies that mount with screws
- 304 stainless steel provides corrosion resistance for outdoor or humid environments