Mechanical, Agricultural and Overhead Garage Door Springs
Since 1977, Iowa Spring has specialized in engineering, design, manufacturing, and delivering of springs out of the Midwest. We manufacture large, heavy duty metal springs for the agricultural equipment, mechanical equipment, and overhead garage door industries.  We are ISO 9001:2008 certified and members of the Spring Manufacturers Institute (SMI).  We want you to have a quality product, when you need it, at a competitive price.
Agricultural spring applications include heavy duty compression springs for rotary blades and down pressure applications, extension springs for sprayer equipment, and harrow tines for tillage equipment.  Mechanical applications include large diameter wire extension springs for snow plow and snow removal equipment or specialty extensions for dock levelers.  We offer spring engineering and design for compression, extension, torsions and harrow tines.  We supply custom torsion and extension springs for the overhead garage door industry.
Large metal coil spring types include compression, extension, and torsion springs, coil harrow tines, and wire forms ranging from wire diameters .080" to .625".  Secondary processes for compressions, extensions, torsions, and harrow tines include grinding, shot peening, preset, hooking, heat applied coating, painting, e-coating, plating, straight and cut processing, custom end and custom packaging.