Rotolinear systems offer the Left hand- Right hand combination ground Ball screws used mainly in Rubber manufacturing Plants or Machines. This are ground single ball screws having LEFT hand thread to some length with single or Double Ball nuts and RIGHT hand thread to a portion of the screw with single or Double Ball nut and in between the LH & RH thread you can have solid portion as per your requirement. As these are ground ball screw the performance will be very good compared to rolled ball screws and also it is single pieces (i.e. without Joints). You have got the advantage of having ball nut as per your drawing (cylindrical or flanged type). LTM ball screws are manufactured with carefully designed tread to obtain optimum performance in load, life and rigidity and are the leading manufacturer of ground ballscrews in Taiwan of since 1979. Proper sealing elements on both sides of nut in close contact with ball screw prevent the entry of foreign matter in the nut or the lubricants from leaking.