To provide a shank for a die set capable of preventing a screw from loosing caused by a vibration of a press in press working and not likely to lower product quality cause a large accident.

Relating to a shank for a die set which is fixed to a punch holder and transmits the power of a press machine to the upper die, the shank 1a consists of a round bar 20 and plural bolts 21 piercing the round bar in the axial direction, the round bar is fixed to the punch holder by screwing plural bolts into the punch holder.