Abstract: An apparatus to selectively secure a drill chuck, wherein the drill bit is formed with a rear and forward hexagonal portion coaxially aligned with a circumferential groove positioned between the forward and rear sections, whereupon a hexagonal bore formed within an associated drill chuck receives the forward and rear sections. A lock pin is slidably mounted through the drill chuck orthogonally relative to an axis of the drill chuck and spaced above an axis of the drill chuck to permit engagement of the drill bit member within the drill chuck when a lock pin is in a forward position and disengagement of the groove of the drill bit in a lock pin is in a retracted second position.