The most important thing in hole processing is the hole straightness and hole position, which can be completed at one time with a NineBore boring tool. Suitable for customers who process cast aluminum workpieces, such as automobile, motorcycle and bicycle engine parts. The first half of the video indicates that the reserved casting holes are not fixed, and the hole distance has errors. Reaming position accuracy cause boring tool to leave lines during machining, with NineBore high feed boring tool rough boring, and finish with fine boring help you completed hole processing in one time!