I was wondering if you could build a plate 1 inch or better and half drill the holes in the press plate and fill with correct steel posts. You could use mild steel if super quenched the steel to help it last longer. Then heat the plate you wish to punch the holes in and then use a hydro press or a fly press to press the holes all at once.
Just an Idea and you would always have the punch to do more in the future.
By the way what are you making it sounds interesting.
Remember if you are super quenching steel only use mild steel as tool steel will get to brittle and break.
Thanks Jim
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