A gradual relaxation Except if a workpiece features a taper machined onto it which correctly matches The inner taper within the spindle, or has threads which flawlessly match the external threads within the spindle (two circumstances which not often exist), an accent need to be used to mount a workpiece https://www.sedlacek-t.cz/nabizime-k-prodeji-cnc-soustruh-tornos-evo-deco-32-10/