... flat washer 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) ... ) Nickel-plating4 Type 1) Spring washers 2) Flat washers(plain washer,IFI,ASTM) 3) Lock washers ... Product name thin flat washer Material1.Stainless Steel: SS201, SS303, SS304, ...