scope:

Included in the standard are drill design parameters, pertinent nomenclature and point geometries, suggested areas of application, acceptable drill materials and hardness requirements, and a Glossary of Terms defining relative terminology. See individual drawings for specific areas of application.

PURPOSE

This document provides the aerospace industry with the uniform standard for the procurement of high-speed steel, cobalt, and carbide twist drills. Utilization of the specified drills in accordance with recommended applications will ensure the performance of drilling tasks with optimum quality, reliability, and economy.