Included in the standard are reamer design parameters@ nomenclature@ reamer geometry@ suggested areas of application@ acceptable materials@ hardness requirements@ and a Glossary of Terms defining reamer terminology. PURPOSE This document provides the aerospace industry with a uniform standard for the procurement of chucking reamers. Utilization of the specified reamers in accordance with recommended applications will ensure the performance of a wide variety of reaming tasks with optimum quality@ reliability@ and economy.