[billyboy]

Twist Drills

The twist drill is one of the important, least understood, and most neglected of all cutting tools. Drill point standards are accepted based on inflexible precedent rather than logical deduction and experimentation. The 118-degree point, when the full length of the cutting for example, is erroneously assumed to be a good compromise or general-purpose point....http://http://www.hannibalcarbide.com/tech_support/drill_point_selection.php

There are no more high school shop classes that why. this very same reason why I am there banging my head against the wall 3 hours a day. Every new school that are opening up around LA have no elective classes lilke shops. they just do not exist. Not even architecture. Most people don't know how to read a simple drawing or read a tape measure. racism and saving the earth is all they talk about.

This is a contributing factor to the economic mess that we are in and will not escape. This nation was built on manufacturing and resource extraction, not on a service oriented economy. But then again, being an old skool type, what do I know?