DIN 7993-1970 Wire retainer for shafts (Type A) is a fastener used in the mechanical industry.
Widely used in the field of machinery industry, especially in the need of high strength and high wear resistance of the environment such as automobiles, mechanical equipment and so on.
Material: mainly used spring steel 65Mn, this is a kind of high quality carbon spring steel has high strength and elasticity.
Surface treatment: usually black treatment, to improve its corrosion resistance and appearance quality.
Specifications: nominal diameter range is 4-125mm, outer diameter range is 8-129mm, to meet the installation requirements of different mechanical parts.