Star Washers 500Pcs Black Star Lock Plum Bearing Retaining Rings Flower Washer M2.5 M3 M4 M5 M6 M8 M10 M12(M5)

Essential Fastening Accessory: A must-have kit for any repair, installation or maintenance task that requires secure, long-lasting fastenings. These lock washers provide reliable anti-loosening protection, ensuring the stability and safety of connections in both household and industrial settingsMaterial: Carbon SteelSize: M2 M2.5 M3 M4 M5 M6 M8 M10 M12Thickness(mm) : 0.5-2mmDIY Supplies : MetalworkingNote:Size for manual measurement, there may be a 0 to 3mm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item.

• Comprehensive Assortment for Versatility: This all-in-one kit includes a variety of sizes of external and internal tooth lock washers, carefully selected to cover the most frequently needed specifications. The well-rounded assortment meets diverse repair, installation and maintenance needs for multiple scenarios
• Effective Anti-Loosening Function: Designed with external or internal tooth star structures, these washers apply constant spring force between fasteners and substrates. They significantly increase rotational resistance and friction, preventing nuts and bolts from loosening due to vibration, friction or frequent use, ensuring machine and connection stability
• Easy to Operate & Install: Simple to use with standard screws, nuts and bolts of matching specifications. The intuitive design allows for hassle-free installation, requiring no professional tools or skills, making them suitable for both DIY enthusiasts and professional workshops
• Organized & Portable Storage: All washers are individually sorted by size and stored in a durable, clear case. This organized design prevents loss, mixing or damage, keeping the washers tidy and easily accessible whenever you need them, and convenient to carry for on-site use
• Wide Compatibility & Application: Highly compatible with standard fasteners of corresponding sizes, these lock washers are widely used in various scenarios. They are ideal for furniture repair, outdoor construction, electrical maintenance, automotive, marine, industrial machinery, valve assemblies and door/window fittings