Steel wire rings for holes DIN 7993B (RB) -1970 are available in a wide range of sizes to meet different application requirements.
Steel wire rings for holes DIN 7993B (RB) -1970 are widely used in various mechanical equipment, especially in the need to fix the axial movement of parts, such as bearing fixing, transmission device, etc.
Material: usually used spring steel 4
Hardness: grade 10.9, hardness range between HRC32~39 4
Surface treatment
Blackening: this is a common surface treatment process, can improve the corrosion resistance and appearance quality of the retaining ring 4