Compound Tolerances: Compound tolerance is the final tolerance calculated immediately after adding or subtracting the tolerances of various dimensions which make up a component. The holes might be for parts assembly or aesthetic reasons. CNC drill presses can generate diverse-sized holes by varying the scale on the drill bit. https://used-cnc-machines-for-sal18357.blog5star.com/35224367/the-best-side-of-cnc-machinery-for-metalworking