DIN434 square washers 1.Size:M6-M52 2.Material :carbon steel,stainless steel DIN434 square washers1.Size:M6-M522.Standards:DIN ,ANSI/ASME,BS,GB,JIS,Non-standard3.Surface:plain,zinc plated,black oxide,hot dip galv.etc.4.Packing:general export package,according to clients`requirments.5.Delivery time:About 30days after placing order DIN434 Square washer