... 1.material:rubber,nbr,ptfe 2.various size 3.place of origin:china 4.MOQ:1000 pcs thin flat washer1. Standard: DIN ... , BS, IFI, JIS, ISO,GB,ANSI,ASME,Non-Standard2. Material: 1) Carbon Steel 2) Alloy ... blue plated, white plated, yellow plated,black.StandardISO,GB,DIN,JIS,ANSICetificateISO9001-2008,SGS,ROHSFunctionAatomobile,electronic,mechineryPackageSuitable for sea and ...