Punching thick steel - GIF

Punching thick steel.

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Previously:

https://www.homemadetools.net/forum/...172#post191775
https://www.homemadetools.net/forum/...771#post178850
https://www.homemadetools.net/forum/...811#post190611
https://www.homemadetools.net/forum/...999#post171867
https://www.homemadetools.net/forum/...950#post160320

Folks interested might like to know, if this is .75 thick and 6" diameter, the calculation is 360 tons to punch. If 7/8", it's 420t.
Notice how poorly the narrow edge of material supports the cut, with slug also carrying part of that deformity.