... .size M1.6-M100 2.standard:DIN125,9021 non-standard 3.material:carton steel 65Mn SUS304 Spring washer (DIN127)various kinds of flat ... ANSI and BS2. Material2. Stainless steel, carbon steel, copper, iron,spring steel and brass.3. Size3. M1.6-M1004. Certificate4. ISO9001 ... quality bolts, nuts, screws, drawn wires ,heatsink and other non-standard specific fasteners, which comply with GB, ANSI, DIN, UNI, ...