The rotary cutting punch for the core machine can punch hexagonal, plum blossom, and square shapes. It is mainly used for blind holes. The pcm rotary tool holder is adapted to the pcm rotary tool holder. It can punch aluminum, copper, stainless steel, titanium alloy, Iron products are commonly used in medical equipment, bone nails, aviation connectors, automotive steering systems, and 3C screws. Welcome to buy Haimok Precision Machinery products! We have excellent quality and good service for rotary cutting tool holders. Punching knife handle