Due to the deficiency of deviations in precision machining, you can find fewer faulty productions. So the method causes a lessen rejection amount of parts. Therefore, the expense of materials is reduced. The holes may be for parts assembly or aesthetic applications. CNC drill presses can make different-sized holes https://www.sedlacek-t.cz/masturn-820i-4500-vykonny-soustruh-pro-narocne-aplikace/