Leading Manufacturer of Ball Screws and Linear Actuators


About KSS Ballscrew

With the recent rapid development of mechatronics products, there is an ever-increasing demand for greater precision and reduced size for a wide range of mechanisms.
Since its founding in 1960, KSS has widened its manufacturing scope from a base of manufacturing technology in the ultra-precision field. Beginning with thread gauges, our product line has grown to include precision lead screws, precision miniature Ball Screws, as well as Standard Miniature Ball Screws, products that have anticipated later demand.
KSS, as one of the exclusive Miniature Ball Screw manufacturer in the world, has also been developing Unit products and systematic products that are utilized Ball Screw technology.
We will continually strive to contribute to our global community by enthusiastically committing ourselves to providing better products at a lower price and in a short time.

Frequently Asked Question?

What is the Ball Screw?

Ball Screw is composed of Shaft, Nut and Balls. Ball Screw is mechanical component, which converts rotary motion into linear motion.

What kinds of accuracy grade are there in Ball Screws?

Accuracy grade of Ball Screw is prescribed in JIS B1192-1997. There are 6 types of grade, which are class-0,1,3,5,7 and 10. The lower number of class is higher accuracy grade. Generally, the accuracy grade is described as “C” (class) + grade number, like C0,C1,C3,C5,C7 and C10.

Is there any restriction on size or length of Ball Screws?

The range of manufacturing for KSS Ball Screws is determined by 2 factors. One is the Shaft diameter, the other is total length for each Shaft diameter. Our manufacturing range is 1.8mm to 15mm of Shaft diameter, but 20mm of diameter will also be available as a special order

Can KSS calculate the Forward efficiency or Backward efficiency?

Forwarad/Backward efficiency is the ratio of Input and Output