Lathe Ball Turning Attachment Turn Ball. This fits straight onto the cross slide of your lathe machine for Quick Turning of Cones and Balls. Comes with a 1 Index able TNMG16 Insert for best turning finish and results. Maximum Ball Diameter possible is.The Head can be adjusted for different Ball Sizes. A ball turning attachment is really just a mechanism that cause the cutting edge to follow a circular path which is the outside of the ball being cut. The cutting edge can turn in the horizontal plane or it can turn in a vertical plane lying along the axis of the lathe. Please be aware that some countries may have local import regulations which restrict certain products from being imported. The holiday season is the busiest shopping period of the year, don? Our catalog covers every festival including Thanksgiving, Black Friday, Cyber Monday, Christmas. Please do visit our store and get yourself a treat.