an improvement in a door fastening apparatus wherein a bolt receiving and supply device is provided alongside of a fastening head unit . it includes a bolt supplying head connected to a parts feeder and a laterally movable transferring head receiving bolts from the supply head and moving over to in front of the nut runner to deliver the bolts . the supply head can be fed through a bolt pressure feeding tube . the transferring head has a clamping cylinder therein for clamping the bolt in the receiving opening .