M20 X 55 X 4mm Flat Washer Set In 304 Stainless Steel Circular SAE Fender Washers For Screws And Bolts Corrosion Resistant Hardware Kit Ideal For Automotive Marine DIY Projects And General Purpose Fastening

20x55x4 mm 304 stainless Fender Washer Set for screws
✔️ Inside Dia 20 mm; Outer Dia 55 mm; Thickness 4 mm; 304 SS

This 304 stainless steel flat washer set uses SAE Fender washer geometry and is designed to distribute load over a larger surface area. Ideal for automotive and marine fastening, DIY projects, and general hardware tasks where corrosion resistance matters.

✅ 304 stainless steel material
✅ Inner diameter 20 mm; outer diameter 55 mm; thickness 4 mm
✅ Fender-style washer for screws and bolts in automotive and marine use

💡 What is a stainless steel flat washer used for in fastener assemblies?

Flat washers help spread clamping force and protect surfaces in many projects. - handy for automotive and marine fastening applications - distributes load to prevent pull-through on soft materials - corrosion-resistant 304 stainless steel handles exposure to moisture and salt ✝️