| A | B |
|---|
| Portable Electric Drill | one of the most useful of all power tools. |
| Housing | the outer body. |
| Drill Press Stand | converts an electric drill into a stationary tool for precision work. |
| Right-angle Adapter | adapter allows the chuck to operate at right angles to the drill axis. |
| Chuck | a clamping device that hold the drill bit. |
| Shank | the end of a drill bit that fits into the chuck. |
| Chuck Key | tightens or loosens the jaws. |
| Body | includes the flutes, web, and lips. |
| Flutes | spiral grooves in the bit. |
| Lips | the cutting edges of the drill bit. |
| Web | is the metal between the flutes. |
| Dead Center | the place where the two lips meet. |
| Masonry Bits | used for drilling holes in cement, brick, stone, plaster and slate. |
