Specifications 1.Spec:0.1mm-20mm 2.ISO9001 certificate 3.High quality and reasonable price 4.Produce with your samples Machine tool torsion springFeatures: 1) Wire Diameter: 0.08mm~ 10mm 2) Type: Machine torsion wire spring. 3) Main material: carbon spring steel, alloy spring steel, music wire, steel, stainless steel, high temperature resisting alloy, corrosion-resistant alloy and bronze.4) Good ...