DIN 435 Square Washers 1.Delivery time:7days 2.OEM:manufacturer 3.ISO9001:2008,ROHS 4.Standard:GB,DIN,JIS,ANSI Galvanized flat washers ... Plain, blue plated, white plated, yellow plated.Standard ISO,GB,DIN,JIS,ANSICetificate ISO9001-2008,SGS,ROHS Function Aatomobile,electronic,mechinery ... full responsibility for it. superiority Good quality,free for samples. DIN 435 Square Washers