412 Piece Flat Washer Set In 304 Stainless Steel M4 To M12 For Screws And Bolts Includes Beefy Heavy Duty Fender Washers For Automotive And DIY Projects Durable Rust Resistant A2 70 Grade Hardware Assortment

412-Piece Stainless Flat Washer Set for M4-M12, A2-70 Grade
✔️ 304 stainless, rust-resistant, organized case, fender washers included

This 412-piece flat washer set provides M4 to M12 sizes in durable A2-70 grade 304 stainless steel, ensuring rust resistance for outdoor and automotive use. Heavy-duty flat washers help distribute load and reduce friction, while beefy fender washers expand bearing area for tough assemblies. The organized storage case helps you grab the right size fast and prevents lost parts.

✅ 412-piece assortment covering M4, M5, M6, M8, M10, M12 sizes
✅ A2-70 grade 304 stainless steel for rust resistance
✅ Heavy-duty flat washers that distribute load and reduce friction
✅ Beefy fender washers for extra load-bearing area
✅ Organized storage case for quick part identification
✅ Universal compatibility with screws and bolts in cars, boats, machinery

💡 What is a flat washer set used for in everyday mechanical assemblies? - A handy way to distribute load and prevent damage on fastened joints - Common in automotive, marine, and DIY projects for flush mounting - Reduces friction and helps prevent loosening under vibration - Fits M4-M12 screws and bolts across many standard hardware sizes

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