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FineCore Precision
Ground steel profile punch lying on its side, with a round head, an anti-rotation flat and an obround cutting profile with a sharp edge

Stamping

Profile-ground punch

Process
Turning, hardening, grinding the head and shank, profile grinding of the cutting end
Typical materials
High-speed steel 1.3343 or cold-work tool steel 1.2379, hardened
Typical use
Piercing shaped holes in stamping dies, held in its orientation by the flat on its head