When drilling very deep holes, it’s important to allow enough stock for clean up after a worst-case runout of 0.001 in. per inch. A part that is 180 in. long should allow more than 0.180 in. for clean ...

Advanced Hole Inspection provides an overview of hole inspection using noncontact instruments. Holes that require a specific type of fit, either clearance, interference, or transition, also require a ...