A shock absorbing device for steering columns, which has a bracket and a capsule placed around a capsule locking slot of the bracket and fastened along with the bracket to a vehicle body by a locking bolt, is disclosed. The capsule includes an upper plate, a lower plate, and a connector which connects an end of the upper plate to an end of the lower plate. The shock absorbing device further includes a stopper which is provided between the upper plate and the lower plate of the capsule such that the stopper is placed in the capsule locking slot of the bracket. The upper plate of the capsule is bent at an outside edge thereof. The stopper is thinner than the bracket around the capsule locking slot. Furthermore, the upper plate and the lower plate of the capsule are configured such that the upper and lower plates are vertically aligned with each other at outside ends of extensions thereof.