The custom cnc turning steel parts was made by NC lathe, which was used in the digital camera. The material is carbon steel, and the finish is black oxiding. The tolerance of the precision cnc turning steel parts is +/-0.02MM, the Max. diameter is 50MM. JST has rich experience of making cnc turning steel spare parts, and we have over 100 NC lathes in house. If you have any inquiries for custom precision cnc turning steel parts and custom cnc turning steel spare parts, please do feel free to send us drawings for quotation.