Nylon coated steel wire / coil is widely applied in the making of various products in stationery and underwear industry, such as the spiral bookbinding wire for calendar, clip or the pothook of underwear. Nylon coated wire with smooth surface, vivid luster, and good flexibility. Material: top quality low carbon steel Paint: macromolecular heat-proof paint Color: various Specs: 0.50-1.5mm; Coating: 0.05-0.07mm Tensile strength: 650?00N/mm2 Back spring angle: 55氨10? packing: 100-450Kg /per spool