... G: Grinding10 Precision Grade of Lead: C0,C1,C2,C3,C5,C7, The Highest Grade is C011 Shaft length of Screw12 Preload ... Specification:Please refer to other pages for the technical specification and technical drawing of all Ball Screw above.Tips for how to choose ball ... screw ideal for you:1. First of all, be clear about running situation of your machine2. Considering the ...