The SFK Series is a miniature, flange-type ball screw with internal ball circulation, featuring a compact and lightweight design for space-limited applications . It is available in shaft diameters from 4mm to 16mm and leads from 1mm to 16mm . Both rolled and ground thread options are offered, achieving precision grades from C3 to C10 . Its high accuracy and smooth motion make it ideal for precision instruments, small automation equipment, and robotics.