... :DIN125,9021 non-standard 3.material:carton steel 65Mn SUS304 4.i spring washersvarious kinds of flat washers available.high ... AS/NZS, GB, ANSI and BS2. Material2. Stainless steel, carbon steel, copper, iron,spring steel and brass.3. Size3. M1.6-M1004. Certificate4. ... produces and sells high quality bolts, nuts, screws, drawn wires ,heatsink and other non-standard specific fasteners, which comply with ...