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KMD1T - KMD35T
KEMUSEN
We produce the best-performing worm gear ball screw jacks are made from high-quality materials that meet international standards. Below is a summary of the various materials used in ball screw jack construction.

1. Housing is nodular cast iron. Custom 304 stainless steel
2. Input shaft (worm) is 45# steel, heat treatment process. Custom 304 or 316 stainless steel.
3. Internal wormgear is aluminum bronze.
4. Ball screw is SCM450 alloy steel. Hardness: HRC 58-62.
5. Ball nut is SCM415H alloy steel. Hardness: HRC 58-62.
6. Steel ball is SUJ2 bearing steel. Hardness: HRC 60
7. Bearing is chromium bearing steel. Custom 304 stainless steel.


Note: Ball Screws and Nuts are made from hardened alloy steel with hardened bearing balls carrying the load between nut and screw.