Routinely inspect and change the axial clearance of the screw and nut pair to ensure the accuracy of reverse transmission and axial rigidity. The finish option Using the fastest turnaround. Machined parts are remaining with seen Device marks and likely sharp edges and burrs, that may be eradicated upon request. https://thesocialdelight.com/story4030543/the-best-side-of-machining-cnc-centre