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spiral screwdriverclick to hear

Screwdriver with interchangeable bits fitted into a mechanism for screwing or unscrewing by simply pushing the handle.
spiral screwdriver jaw blade chuck locking ring handle spiral ratchet

jaw click to hear

The parts of the chuck that grip the tool to keep it firmly in place.

blade click to hear

Thin flat part forming the end of the bit.

chuck click to hear

Device with jaws for attaching the bit or drill to the tool.

locking ring click to hear

Blocks the spiral’s rotation allowing the tool to be used as an ordinary screwdriver.

handle click to hear

spiral click to hear

Mechanism converting pressure applied on the handle into the rotation motion of the blade.

ratchet click to hear

Mechanical instrument for setting the direction of rotation of the spiral and the blade (screwing or unscrewing).