... smoothly with compact structure 2.Grade:C7,C5 3.Have single ball screw nut and double nut. 4.Good quality ... Precision Machinery Co.,Ltd is professional in producing pricise ball screws ,linear motion bearings for many years.All ... more competitive in this field.Welcome to inquiry.Ball Screw SPEC:1204,1604,1605,1610,2005,2010, ... 4040,5050Detail information as following: Precise rolled Ball screw SFU1605-3