To provide a small size press machine capable of efficiently working necessary parts around an inner part which disturbs smooth work in a conventional method by entering a die part into the inner part of a work, capable of working on single plane by providing a plurality of various cutting edges to reduce transfer loss, capable of easily taking out scrap material and performing confirmation work due to good visibility of a working part and the cutting edge by forming a die base inclined, and saving installation space by providing above or side part of another press machine.

This small press machine for working circumference of holes formed inside of a plate material is composed of the die part 2 of size to enter into the hole inside of the plate material, and a driving part 5 drawing down an upper edge 2d of the cutting edge of the die and pressing.