Billet is a form of material and doesn’t necessarily indicate the manufacturing process (or quality) of the final product. Billet metal is a solid length (often in a square or circle profile) of material that has been extruded into shape, either by continuous casting or hot rolling. Billet material is often used in CNC Machining.
When Billet is your choice, Schwartz Machine is very capable of programming and producing to your specifications.