Spring Steel Compression Spring * WD.: 0.1 ~ 8.0mm * OD.: 5 ~ 500mm * Surface: Zinc/NIckel/Tin/Chrome Plating, Black Oxide Spring Steel Compression SpringWe produce Standard compression springs, conical springs, and barrel springs all with open, closed, ground, or special ends. Made from your drawing or sample as a one off or large production run, available in a wide range of materials and ...