What Is a Gib Head Key

Gib keys, or gib head keys, are tapered and notched machine keys that are used on power transmission keyed shafts to hold pulleys and gears tightly on the shaft. The head of the key serves as a concussion point for hammering without damage to the shaft of the key.

What is taper sunk key?

A tapered sunk key may be removed by driving it out from the exposed small end. If this end is. not accessible, the bigger end of the key is provided with a head called gib. Figure shows the. application of a key with a gib head.

What is feather key?

Definition of feather key in machinery. : a sunk key without taper that is permanently fixed in one of the connected pieces and that is a sliding fit in a keyway in the other so as to permit relative longitudinal motion. — called also spline.