Abstract: A quick acting coupler including a pair of identical connector members which axially interfit with one another and which are positively drawn together when rotated through a portion of a revolution thereby to transmit axial, shear, and bending loads. The connector members each have a central hub with interfitting axial fingers and grooves. The fingers are provided with flanges which extend radially inwardly. With the connector members in axial interengagement, the fingers of one connector member are received in the axial grooves of the other connector member. Partial flanges are provided on each connector member which cooperate with the flanges upon rotating the connector members relative to one another thereby to positively, axially draw the connector members into end-to-end abutting engagement.