stainless steel washers 1.size M2-M100 2.standard:DIN128, non-standard ... . ISO, DIN, AS/NZS, GB, ANSI and BS2. Material2. Stainless steel, SUS304,SUS316 and so on.3. Size3. M2-M1004. Certificate4 ... , JIS and ISO standards. Our products are widely applied to aerospace, energy source, electronics, machinery, chemical, military projects, metallurgy, die assembly ...