These metric flat washers are produced from 50% glass fiber-reinforced Nylon MXD6, providing exceptional strength, stiffness, and dimensional stability for demanding fastening applications. Offering significantly higher mechanical performance than standard nylon washers, RENY washers also provide excellent fatigue resistance, low creep, good chemical resistance, and outstanding electrical insulation. Available in flat washers and custom washer designs, they are ideal for distributing loads, protecting mating surfaces, and electrically isolating assemblies. Widely used in automotive, aerospace, electronics, industrial machinery, renewable energy, and precision engineering, RENY washers deliver a lightweight, corrosion-free alternative to metal washers in high-performance applications.