... material:stainless steel,carbon steel,copper,iron 3.Certificate:ISO,DIN,AS 4.Moq:50pcs Taper washer 1.Size: M2- ... 2.material:stainless steel,carbon steel,copper,iron3.Certificate:ISO,DIN,AS4.Moq:50pcs Dimensions details examples: Product name Taper ... , blue plated, white plated, yellow plated.Standard ISO,GB,DIN,JIS,ANSICetificate ISO9001-2008,SGS,ROHS Function Aatomobile,electronic,mechinery After ...