The precision steel machining part is clamping wedge, which was used in the NC lathe. The material is 42CrMo, the finish treatment is carburizing + black oxiding. MOQ of the custom steel machining parts is 500 PCS, the lead time is 30 days. For the carbon steel machining parts, the critical tolerance is +/-0.005mm and it needs additional grinding. JST has made many custom precision steel machining parts ever before, we have over 10 years experience in this field. If you have any inquiry for custom carbon steel machining parts, please do feel free to contact us for quotation.