Helical Coil Spring1.Product introduction of the helical coil springWe supply helical coil spring with Galvanized coating for long tern service. Made from high quality steel to improved?helical coil spring life?and efficiently produced on our state of the art CNC equipment. We can do short lead times?for you.●?Galvanized coating for long tern service●?Made from high quality steel to improved helical coil spring life●?Manufactured to tight tolerances and stringent quality control standards.●?Short lead times / Fast Turnaround_________________________________________________________________________ 2.Product Specification of the helical coil spring Item helical coil springWire Diameter wire sizes ranging from .008" up to .312"Type CylinderOEM OfferedMaterial Spring steelFinish PlainWire Type roundTolerance? 0.01-0.1mmApplication HardwarePlace of Origin ?ChinaSample time 2-4daysMeets / Exceeds SGS ,Website:http://www.springmanufacturerc......url:http://www.springmanufacturerchina.com