
Ningbo Rolling Stone Motion Controltek Co., Ltd (RSK) is the leading brand of rolled ball screw in China. Established by Taiwan Controltek INT’L co, Ltd in 2001, RSK has been designed and produced high quality ball screws for global clients.
Feature:
1. Increase hardness
2. Smoother surface
3. Cost-effictive

Cold Thread Rolling
Rolled ball screws are cold formed by two rotational dies. Compared to ground ball screws, rolled ones are the advanced and efficient way of making precision ball screws.
Tolerance e 300(μm)
| Grade | 5 | 7 | 9 |
| ISO,DIN | 23 | 52 | 130 |
Revolutionary in Machine Industry
Rolled ball screws can not only be used in general machinery, but also in many advanced industries. Rolled ball screws are now applied to electric vehicles, solar power plants, railway devices, and many medical and leisure equipments.