Internal Star Tooth Lock Washers Assortment Kit With 410 And 820 Pieces Heavy Duty Metal Construction Precision Stamping Easy Install For Bolts And Fasteners Wide Compatibility Across Mechanical Projects 2 Sets

Heavy Duty Internal Star Washer Kit, 410/820 Pieces
✔️ 9 sizes M3-M16, 304 stainless, 410/820 pcs, easy fit

This star tooth lock washer assortment provides a reliable grip for bolts and fasteners in diverse assemblies. Perfect for automotive, valves, doors, marine, and machinery projects, it comes in two set options to match your needs (410 or 820 pieces) and includes M3-M16 sizes.

✅ Size range: M3, M4, M5, M6, M8, M10, M12, M14, M16
✅ Material: 304 stainless steel
✅ Thickness: 0.4-1.2 mm
✅ Pack options: 410 pcs or 820 pcs per set
✅ Function: precise stamping for tight fit with bolts and fasteners

💡 What is a lock washer used for in mechanical assemblies and why choose star tooth types?

- Helps prevent loosening under vibration during operation - Provides even load distribution across bolts and fasteners - Suitable for automotive, marine, and machinery use - Works with standard nuts and bolts for secure assemblies ✝️