390 Count Serrated Tooth Lock Washers Set M3 To M10 Stainless Steel Heavy Duty Push On Locking Fasteners Assortment Kit For Industrial And Mechanical Applications

390-piece stainless steel serrated lock washer set M3-M10
✔️ 390-piece stainless serrated lock washers set, M3-M10, push-on

Serrated lock washers bite into mating surfaces to prevent loosening under vibration, making them ideal for industrial and mechanical setups in humid environments. This 390-count kit covers M3 to M10 sizes for quick, handy fastening solutions.

✅ Contains 390 pieces of serrated lock washers in M3-M10 sizes
✅ Made from stainless steel for excellent corrosion resistance in humid environments
✅ Push-on locking design enables fast, tool-free installation and reuse
✅ Suitable for industrial, mechanical, automotive applications requiring secure fastening
✅ Includes transparent compartment storage box for easy organization

💡 What is a lock washer used for in mechanical assemblies?

A lock washer helps keep fasteners tight by biting into surfaces and resisting vibration. - prevents loosening under vibration in mechanical systems - improves joint security with serrated edges for bite - compatible with stainless steel fasteners in humid environments ✝️