Abstract: An assembly for releasably connecting the machine draw rod to a chuck draw rod both of which rotate about an axis, the assembly including a female member having a first end operatively attached to the machine draw rod member and defining a receptacle, the receptacle having at least one locking recess. A male member has a first end operatively attached to the chuck draw rod and includes an insertion portion opposite the first end which is adapted to be inserted into the receptacle. The insertion portion defines at least one detent opening. The male member includes at least one detent ball positioned within one detent opening and which is movable from an unlocked position to a locked position with respect to the locking recess when the insertion portion is inserted into the receptacle. The male member also includes a plunger for moving the detent balls from the unlocked position into the locked position when the plunger is in a forward position.