As a leading global spring manufacturer, John Evans’ Sons supplies custom flat springs to control deflection in small or restricted spaces. We produce custom leaf springs for various applications, from medical devices to heavy-duty armored vehicles. We produce custom flat springs from strip materials measuring from 0.125″ to 2.0″ wide and from 0.006″ to 0.625″ thick. Construction materials include high-strength, high-temperature, and corrosion-resistant alloys and a series of SAE and ASTM grades of carbon steel, alloy steel, and copper. We offer black oxide, phosphate conversion coating, and various plated finishes.
With our in-house engineering support and tool making department, our custom flat spring manufacturing services are fast and cost efficient. We produce specialized flat springs for a wide variety of applications, from medical to military, high-tech, and aerospace.