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.

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.

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