Quote Originally Posted by Oustoura View Post
I found This on the bay
Name: $T2eC16hHJHgE9n0yHGLBBQ5YNL0kcw~~60_35.JPG Views: 116 Size: 8.0 KB

Anyone know its,name in English?

Looks like a Punch Die to me. There should be punches (chamfered rods of OD slightly smaller than the ID of holes) they cut holes by plastic deformation and shearing. Best with a hydraulic press but a hammer works on softer alloys and/or thinner stock.