Special spring washer
1)Standard:DIN127B,DIN7980,DIN128 or non-standard
2)Size:M3-M56,UNC 6#-1-3/4",BSW 5/32"-2"
Special Spring Washer
2)Standard:DIN127B,DIN7980,DIN128,IFI K13,NFE25515,BS Standard
3)Size:M3-M56, UNC 6#-1-3/4",BSW 5/32"-2"
4)Material:70#,65Mn
5)Surface:Black,Zinc Cr+3,Yellow Zinc Cr+6,H.D.G.
Packing: bulk, box packing, polybag