Catalog number: Y821-0004 Features: ● Spring washer for bolts and nuts, standard No. 2. ● Small pack series convenient for when you only need a small amount. Specifications: ● Nominal diameter: M4 ● Outer diameter (mm): 7.6 ● Inner diameter (mm): 4.1 ● Thickness (mm): 1 ● Package: Bag Material/Finish: ● Steel ● Surface treatment: Trivalent chromate finish (white)
