These products are used for retainer parts used by inserting on to a groove finished shaft/axis. Customers can choice standards corresponding to the size or the outer diameter of the shaft. (In some sizes, we have stack products for auto-setting usage.) Size conforms to the JIS standard. Customers can choice materials depending on the affinity with the applied shaft and the circumstance in use. Although stainless steel has anti corrosion effect the thrust load is approximately 90% compared to steel. SUS304-CSP开口挡圈|进口304弹簧钢挡圈|日本JIS规格304弹簧钢开口挡圈