standard/special spring washer 1)Standard:DIN127B,DIN7980,DIN128,IFI K13,NFE25515,BS 2)Size:M3-M56,UNC 6#-1-3/4 ... ",BSW 5/32"-2" spring lock washer standard/specialDetailed Product DescriptionFeatures:1)Standard: DIN127B, ... M3-M56, UNC 6#-1-3/4",BSW 5/32"-2"3)Material: 70#,65Mn4)Surface: Black,Zinc Cr+3, ... H.D.G.Packing: bulk, box packing, polybag split spring lock washers DIN127B