stainless steel washers 1.size M2-M100 2.standard:DIN128, non-standard ... . Standards1. ISO, DIN, AS/NZS, GB, ANSI and BS2. Material2. Stainless steel, SUS304,SUS316 and so on.3. Size3. M2-M1004. Certificate4 ... ) Co., Ltd:Mainly produces and sells high quality bolts, nuts, screws, drawn wires ,heatsink and other non-standard specific fasteners, which ...