ClipArt ETC
"[Left] Cook's Auger; [Right] Expanding Auger."-Whitney, 1902.

Augers

"[Left] Cook's Auger; [Right] Expanding Auger."-Whitney, 1902.

"[Left] Post-hole Auger; [Right] Earth-boring Auger."-Whitney, 1902.

Augers

"[Left] Post-hole Auger; [Right] Earth-boring Auger."-Whitney, 1902.

An electric or manual drill, which has jaws and a collar that is tightened to grip and hold the drill bit.

Drill Chuck

An electric or manual drill, which has jaws and a collar that is tightened to grip and hold the drill…

This is the body attachment for a drilling machine which is composed of the adjustable socket which houses the drill bit component that actually makes contact with the material.

Drill and Socket Construction

This is the body attachment for a drilling machine which is composed of the adjustable socket which…