1 high carbon spring steel 2 wire Dia:0.2-40.0mm 3 coloured zinc plated 4 ISO9001:2000,ROHS 5 for industrial machine 1. MaterialCarbon steel, Spring steel, Stainless steel, Alloy steel, Oil tempered wire2. Wire diameter0.2mm-40.0mm3. Surface Treatmentzinc,nickel plated,become black,powder coating,cataphoresis,anti-rust oil4. CertificationISO9001 Certificate, RoHS5. ApplicationsExtensively used ...