Material: carbon steel,stainless steel Have all kinds of washers Superior quality,Good price Exact delivery time DIN125 Stainless flat washer1.Standard : DIN125,9021,433,440R,1440,1441,93,PENNY,7349,1052, 988,BS4320 F/B,etc2.Material :304 3163.Sizes available: 2mm - 100mm