|WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.|
|1: Design and Fabrication How the twist drill is manufactured.
2: Geometry Clearances, margins, lip and flute configurations
3: Shanks Straight and taper shanked drills..
4: Materials Various materials used for drills and their uses.
5: Sizes Three sizes indexes and charts: fraction, number, letter size