... 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,DIN7980,DIN128,IFI K13,NFE25515,BS Standard2)Size: M3-M56, UNC 6#-1-3/4 ... ",BSW 5/32"-2"3)Material: 70#,65Mn4)Surface: Black,Zinc Cr+3 ...