Ball Screw SFU DFU 1.Rolled type ball screw 2.Fast delivery 3.Professional manufacturing 4.Economical type Ball screw with external Circulation Nuts,please contact IXIN for details. IXIN ball screw Characteristic:1.Quality and economical type.2.End machining available3.Bulk supply,fast delivery4.Interchangable and easy assembly Ball screw SFU DFUI: Lead Da: Ball Dia. K: Stiffness (Kgf/μ m) Ca: ...