Pro Grade Stainless Steel External Tooth Star Lock Washers Set, 320 Pcs, 304 Stainless, 8 Sizes M2.5 M3 M4 M5 M6 M8 M10 M12, Heavy Duty Quick Grip for Auto, Machinery, and DIY Projects

Premium 304 Stainless External Star Lock Washers, 320pc
✔️ 320 pcs in 8 sizes M2.5-M12, 304 stainless steel set

External star lock washers are sturdy fasteners designed to clamp bolts tightly and prevent loosening in vibratory or moving setups. This 320-piece set covers the eight most common sizes and ships in a clear storage box for quick access.

✅ 320 piece set organized in a clear storage box
✅ Includes 8 common sizes: M2.5 M3 M4 M5 M6 M8 M10 M12
✅ Made from 304 stainless steel for corrosion resistance
✅ External tooth star design provides strong friction to resist rotation
✅ Ideal for electrical connections in appliances, automotive, and marine uses

💡 What is an external star lock washer used for in fastener assemblies? This handy piece helps keep threads tight by applying spring pressure between the bolt head and substrate. - Locking action reduces vibration induced loosening in mechanical assemblies - Made from 304 stainless steel for corrosion and wear resistance - Suitable for electrical connections and marine or automotive environments - Available in 8 common sizes M2.5 to M12 for broad compatibility