M3 To M20 304 Stainless Steel Ultra Thin Flat Washers Set 0.1 0.2 0.3mm Thick Assortment Kit Gasket Shim For Builders And DIY Pros Durable Rust Resistant For All Weather Use

Ultra-thin M3-M20 304 stainless flat washers set
✔️ 9-size 304 stainless flat washers kit, 0.1/0.2/0.3mm thick

This 9-size 304 stainless steel flat washers assortment distributes load, protects surfaces, and resists rust in any weather. It’s designed for M3-M20 screws and bolts and is ideal for interior decoration, outdoor construction, electrical maintenance, and furniture repair.

✅ Material: 304 stainless steel for high hardness, wear resistance, and corrosion resistance.
✅ Thickness options: 0.1mm, 0.2mm, 0.3mm (ultra-thin)
✅ Size range: M3-M20 for broad compatibility
✅ Storage: clear plastic case with 9-grid labeled sizes for easy organization
✅ Applications: use with bolts where the bolt head is smaller than the washer hole to prevent material tearing

💡 What is a flat washer set used for in hardware assemblies and why choose stainless steel?

This handy kit helps distribute load, protect surfaces, and resist corrosion. - Distributes load to prevent pull-through and material damage - Offers corrosion resistance for indoor/outdoor use - Covers M3-M20 range for common fasteners - Keeps parts organized in a clear 9-grid storage case ✝️