What type of surface finish can be expected from a precision investment casting? A 125 to 150 rms microfinish is standard. Can't find what you're looking? Try browsing other FAQs for this topic. View All FAQs What kinds of parts are best suited for the precision casting process?What is the range of size in Barron Industries produced parts?What are the benefits of a precision investment casting versus other types of casting processes?What alloys does Barron Industries pour?What is the range of weight in Barron Industries produced parts?What type of surface finish can be expected from a precision investment casting?How long will it take to receive a quote/proposal?What are the “as cast” dimensional tolerances I can expect?Why is Barron a one-stop shop?Where does Barron Industries deliver? Go