Grinding C5 Accuracy Bi-Directional Ballscrew with double ball nut for CNC parts Product Name Ball screw Material Stainless steel or bearing steel GCr15 ; others available upon request Axial play Zero or as per your request Accuracy Grade C3, C5, C7 Circulation mode Internal recirculation or cover plate or end cap Miniature ball screw Ranges Norminal diameter: 4~12mm Lead:1~10mm Length According to customer requirements Notice Please lets kn…