PRORAJE Pack of 500 stainless steel Metal Washers Flat Diameter 3x9 mm Thickness: 0.8 mm, A4 (V4A / AISI 316), DIN 9021, M3x9mm, 3x9mm, M3 x 9, 3 9 for screws/nuts

Pack of 500 pieces (marine quality): This pack includes 500 flat washers M3 x 9 mm according to DIN 9021 (wide washer). A professional solution for strong and high durability assemblies. EXTREME RESISTANCE (AISI 316): Designed in A4 stainless steel (V4A), these washers offer maximum protection against corrosion. It is the indispensable alloy for the most severe environments: seaside, boating and acidic environments. Precise dimensions: inner diameter 3 mm, outer diameter 9 mm, thickness 0.8 mm. Perfectly fit for M3 threaded screws and rods. ProRaje Expertise We cover all your needs with a full range from M1.6 to M52. Special swimming pool and salt: Unlike standard A2 stainless steel, A4 stainless steel is permanently resistant to chlorine and salt. It is the recommended choice for your pool installations, boat pontoons and spray equipment. PROFESSIONAL QUALITY: Opt for ProRaje durability. Our products are certified in accordance with industry standards for your projects in Industry, Boating and Marine. Also available in A2 version for your classic outdoor use.