A reamer refers to a rotary cutting tool that often used in metalworking to enlarge and smoothen the inside of holes. It comes in different types and can be used as a machine or hand tool, like a ...

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 ...

Twist drills do not make accurately sized or good finish holes; a reamer of some type is often used to cut the final size and finish. A reamer will not make the original hole; it will only enlarge a ...