The stripper guide posts come in various shapes. Fig. 1 shows what can be said the basic type with a head (with a flange). This can also be said to be the basic shape of a post.

The position and verticality are maintained by press fitting insertion of the post into the plate. Detaching is prevented by the flange part. Although the flange part sinks inside the countersinking hole in the plate, the ideal condition is that the end surface of the post and the surface of the plate are in the same plane. However, there will be some deviations from this ideal condition in actual practice. If the depression of the post inside the hole is too much, the post will move in the up / down direction and hence the verticality will be poor. This may also cause breakage of the flange part.

Fig. 2 is the type which is called the straight type.

Detaching is preventing by a screw. Similar to the post with a flange, even in the case of this post, the verticality and position are maintained by press fitting insertion. In the press fitting inserted condition, as shown in the figure, detaching is prevented by fixing using a bolt. At this time, if the press fitting insertion part of the post and the end surface of the post are not at a right angle, a tilting force acts on the post when the post is pulled by the bolt, and this can cause the verticality of the post to be disturbed.

Fig. 3 shows a removable type post.

The position of the post is maintained by the press fitting insertion part. The verticality is maintained by the flange part. The functions are slightly different for the above two types. Because of this, it is also possible even if the press fitting insertion part is short. Detaching of the post is prevented by a bolt. The removable type post has the purpose of making the detaching and attaching of the post easy at the time of maintenance of the punch and die, thereby making the work easy, or else to make easy the grinding or replacement of the post. In order to make detaching easy, it is a common method to make the press fitting insertion light.

These posts are fixed to the punch plate, and the common form is one in which bushes are plated in the stripper plate and die plate. In recent years, there have also appeared some forms in which the post is fixed to the stripper plate and bushes are provided in the punch plate and die plate.