30pcs 304 Stainless Steel Square Washers – M5x20x20x1.5mm

These 30‑piece set of square plate washers are engineered from premium 304 stainless steel, ensuring exceptional durability, corrosion resistance, and long‑term reliability in demanding environments. Each washer measures 20 × 20 × 1.5 mm (0.78″ × 0.78″ × 0.06″) with a precise 5 mm (0.15″) inner diameter, providing a perfect fit for M5 fasteners and delivering stable, even load distribution.

The flat, smoothly machined surface guarantees a snug contact with hardware, preventing slippage and maintaining alignment during assembly. Designed for heavy‑duty applications, these washers are ideal for construction, machinery assembly, and structural projects that require secure fastening and resistance to rust and wear. Whether you’re a DIY enthusiast or a professional contractor, the 304 stainless steel construction delivers reliable performance in both indoor and outdoor settings.

Each package includes 30 washers, making it a cost‑effective solution for large projects or inventory replenishment. The compact size and lightweight design simplify handling and storage, while the high‑quality material ensures that the washers will not corrode over time, even in harsh conditions. Add these washers to your toolkit for a dependable, long‑lasting fastening solution.