White Zinc-Plated DIN 120 Plain Washers Flat Gasket Washer M2.5M3M4M5
The product grade is A level flat washer national standard
Hardness class 200H V gaskets are suitable for use
-- Hexagon head bolts and screws with performance grades up to 8.8 and product grades A and B;
-- Hexagon nuts with performance grades up to 8 and product grades A and B;
-- Hexagon bolts, screws and hexagon nuts in stainless steel and similar chemical composition;
-- Surface hardened self-extruding screws