PRORAJE Stainless Steel Washers: M12 x 27mm 2.5mm Flat Washer A4 (V4A/AISI 316) Standard NFE 25514M For Screws, Nuts, Bolts - Set of 50

50 PIECE SET (SEA QUALITY): This package includes 50 flat washers M12 x 27 mm compliant with NFE 25514 M (medium washer). A professional solution for heavy duty and high durability assemblies. EXTREME STRENGTH (AISI 316): Designed from A4 stainless steel (V4A), these washers offer maximum protection against corrosion. It is the indispensable alloy for the most severe environments: sea, nautical and acidic environments. PRECISE SIZE - Inner diameter 12mm, outer 27mm, thickness 2.5mm. Perfectly suitable for M12 threaded rods and screws. PRORAJE EXPERIENCE - We cover all your needs with a full range ranging from M1.6 to M52. SPECIAL FOR POOL AND SALT : Unlike standard A2 stainless steel, A4 stainless steel resists chlorine and salt permanently. It is the recommended choice for your pool structures, boat pontoons and splash-exposed equipment. PROFESSIONAL QUALITY: Choose ProRaje durability. Our products are certified to industry standards for your projects in Industry, Nautical and Marine. Also available in A2 version for your classic outdoor uses.