Spring suppliers New design small stainless steel compression spring for umbrella Material: Stainless Steel, stainless steel or custom Endurance Limit: 100000 times Wire diameter: 0.2-20mm 1.Material: Zinc Plated Steel, which has excellent elasticity and fatigue resistance, provide additional durability for appropriate tension. 2. coil spring Size: Including 9/32x 1- 7/16鈥? 3.High quality: Stable and durable, corrosion resistant, zinc Plated surface, smooth and no stab, riveting smooth, high ductility, good fatigue strength. After baking, it has antirust effect and heat treatment. It has good performance and service life. 4.Coil sprign Widely applied in construction, automobiles, shops, aircraft, machinery, electrical appliances, furniture and other fields, for splicing and object fastening between sheet metal.Spring suppliers website:http://www.lanejoy-machining.com/spring/