How do you measure tight-tolerance parts on a plate gage without stumbling into subtle errors? George Schuetz explains his process.

Building jet engines installed on modern aircraft involves thousands of manufacturing steps, including cutting through-holes that accommodate the fasteners required to complete assembly of an engine’s ...

Create a quick and easy deburring tool using an unusable drill bit. While it may not match the performance of store-bought tools, it effectively cleans holes, especially useful if you have a crooked ...