SKF® miniature ball screws feature internal recirculation inserts promoting smooth running performance and backdriving characteristics, serving in a wide range of portable and hand-driven tools for cutting, drilling, riveting, and forming operations, among others.           

Their design includes cylindrical nuts with a threaded end for easy mounting and optimized nut geometry.  Less sensitive to misalignment, these ball screws provide repeatability and operate at reduced noise levels, compared with conventional tube-design types.

According to the company's press releaes, diameters of these “SD Series” miniature ball screws range from 8mm to 16mm; leads from 2mm to 5mm; and screw shaft lengths up to 2100mm.Options include safety wire devices, wipers, and corrosion-resistant materials.

Nuts with two to six circuits can be ordered.  All ball screw assemblies can be integrated with accessories for screw shafts and nuts and supplied with necessary support bearing packages pre-assembled .