... stainless steel,spring steel 3.standard: din125,din127b 4.free sample DIN 127 standard stainless steel spring washer/ spring lock washerA: SpecificationMaterial:stainless steel ... plated,Phosphate,etc.Antirust Material1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS4202,Steel:C45(K1045), C46(K1046), ... Ltd. sincerely welcomes your orders. standard stainless steel spring washer/spring lock washer