The precision cnc milling part xl is the NC lathe accessory, which was made by CNC machining + grinding. The material is alloy steel 42CrMo, the finish is carburizing+black oxiding. For the precision cnc milling steel part, the critical tolerance is +/-0.005mm and the two sides need grinding. MOQ of the custom precision cnc milling part is 500 PCS each, we have made more than 20 different items for the US customer. For this custom precision cnc milling part xl, all the procedures were made in JST including machining & finish treatment. If you want to source a reliable supplier for the custom precision cnc milling steel parts, I believe JST will be your right choice.
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