Miniature ball screws
The SD Series of miniature ball screws features internal recirculation and is designed for a range of hand-driven tools for operations such as cutting, drilling, riveting and forming operations. The design of the ball screws includes cylindrical nuts with a threaded end. The diameters of the ball screws range from 8 to 16 millimeters; leads from 2 to 5 millimeters; and screw-shaft lengths are available as large as 2,100 millimeters. SKF USA, Inc.