bitstock

As nouns the difference between crank and bitstock

is that crank is a bent piece of an axle or shaft, or an attached arm perpendicular, or nearly so, to the end of a shaft or wheel, used to impart a rotation to a wheel or other mechanical device; also used to change circular into reciprocating motion, or reciprocating into circular motion while bitstock is hand tool]] which consists of a crank which holds a fitted rotating drill bit tip, designed to [[bore#verb|bore holes in rigid materials, by cutting a disc in a spiral fashion.

As an adjective crank

is (slang) strange, weird, odd.

As a verb crank

is to turn by means of a crank .