1)stainless steel spring washers 2)Size:M3-M76 3)Material:stainless steel,carbon steel,brass,copper... stainless steel spring washers1) Standard: DIN125, DIN126 2 ... ) Material: stainless steel 304/316,carbon steel,brass, ... plated, hot-dip galv spring lock washer DIN127B stainless steel/galv