5-axis machining involves using a CNC to move a cutting tool or part on five different axes simultaneously. 5-axis CNC machining provides a variety of advantages over the more common 3-axis machining:
Most parts can be fully machined with a single setup.
Highly contoured, close-tolerance surfaces are easier to machine.
Holes or features that must be at compound angles to each other are more easily, quickly, and accurately drilled or machined.