Product Name Torsion Spring Material Stainless steel, carbon steel, music wire, copper,etc Surface Treatment Nickel/chrome/zinc plating /beryllium copper etc. Sample Time 3-7days Brand Name NAHE Wire Diameter 0.1mm~50mm Torsion springs are a type of coil spring that generate torque or rotational force. The ends of a torsion spring are fastened to other components; when these … Continue reading Customzied Small Torsion Spring With Zinc Plating