Compound Tolerances: Compound tolerance is the final tolerance calculated soon after including or subtracting the tolerances of different dimensions which make up a part. The holes may be for parts assembly or aesthetic needs. CNC drill presses can produce diverse-sized holes by various the dimensions on the drill bit. https://new-cnc-machines-for-sale89011.qowap.com/93572780/a-review-of-cnc-lathes-for-precision-machining