I . They are rolled/compressed undercut and not filleted.
FYI Not all (if any) Street Hemi cranks are not Filleted and the metallurgy between a 440 crank and a Hemi crank from the same period are about equal other than the Hemi crank has been heat treated,. I've cracked open the bottom end on several street Hemis and None of them had a filleted crank.
Race hemi or street hemi, none of them that I have heard of or seen that had the stock cranks in them had non fillet cranks in them
Direct Connection sold Moldex and another after market brand replacement cranks that did have them though, I'm thinking those cranks where