... our factory supplys the flat washer,spring washer,square washer in carbon steel, stainless steel,brass Washer/Fastener/HardwareSpecialiation : according the drawing ... according your requirmentsStandard:DIN125A,DIN125B ,DIN126,DIN433,DIN449 ,DIN1440,DIN1441,DIN6916,DIN7349 ,DIN7989,2,BS4310,BS4320A ,BS4320B,BS4320C ,BS4320D,BS4320E ... ,6798-I ,DIN93,DIN432,DIN462,DIN463Size : Available M2-M64 Washer