Precision Aviation Turning-Machining Part Turning-Milling compound machining is more and more important in todayâ??s industrial manufacturing, especially for the field of medical and aerospace & aviation. Its advantage is to process the part one step completely, without changing the fixture and do the secondary processing. In this case, the quality consistency and accuracy can be well controlled. JST was equipped with 6 DMG Turning-Milling compound machine, we can make the material of stainless steel, free-cutting steel, alloy steel, aluminum, brass, titanium, PTFE, PEEK, etc. JST Industry is a professional manufacturer of CNC Milling and CNC Turning, Product Description Name & Description Precision Aviation Turning-Machining Part Material Aluminum, Brass Surface Roughness Ra 0.8 Tolerance +/-0.01MM Application Aviation Packaging & Delivery Packaging: One piece in a foam bag, 15 KGS in a carton, finally in the wooden case. Delivery: The samples delivery is about 15 days and the lead time for mass production is about 30-45 days.