Clutch Device, Drill Chuck, Power Tool, and Bidirectional Rotation Method of Drill Chuck

Tool-holder mandrel for fitting to a rotating machine

Chuck engagement lock mechanism

Chuck body for a chuck, chuck and method for determining a clamping force on such a chuck

Tool-carrier chuck for rotating machine, furnished with locking means

Chuck with internal nut

Tool-holding chuck for use with a rotating machine

Drill chuck tool bit locator