Great Neck Tools Flat & Lock Washer Assortment, 520 Piece Set

The GreatNeck 520 Piece Flat and Lock Washer Assortment provides a selection of hardware for any mechanical, automotive, or home repair project. This dual-purpose set includes a variety of flat washers to distribute fastener load and prevent surface damage, alongside spring-style lock washers designed to exert tension and prevent loosening due to vibration. With 520 pieces covering four common SAE sizes, this collection ensures you have the right components to create secure, professional-grade connections . The entire assortment is housed in a compact, organized case, making it an indispensable addition to any toolbox or workbench.

• Massive 520-Piece Collection: Provides an extensive inventory of 225 flat washers and 295 lock washers to handle high-volume projects and frequent repairs .
• Dual-Action Fastening: Includes both flat washers for load distribution and lock washers for vibration resistance, ensuring versatile support for various assembly needs.
• Four Essential SAE Sizes: Contains a wide range of diameters, including 3/16", 1/4", 5/16", and 3/8" to match standard bolt and screw sizes.
• High-Quantity Selection: Features generous counts of common sizes, such as 200 pieces of 3/16" lock washers and 120 pieces of 3/16" flat washers, so you rarely run out of stock.