auger(redirected from auger shells)
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auger(ô`gər): see drilldrill,
tool used to create a hole, usually in some hard substance, by its rotary or hammering action. Many different tools make up the drill family. The awl is a pointed instrument used for piercing small holes.
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A wood-boring tool that consists of a shank with spiral channels ending in two spurs, a central tapered feed screw, and a pair of cutting lips.
A large augerlike tool for boring into soil.
1. A hand-held carpenter’s tool for boring holes in wood, similar to, but larger than, a gimlet; has a long steel bit usually not larger than 1 in. (25 mm) in diameter.
2. A rotary drill, usually powered, for cutting circular holes in earth or rock.
1. a hand tool with a bit shaped like a corkscrew, for boring holes in wood
2. a larger tool of the same kind for boring holes in the ground