Originally Posted by
unworthy1
The way a SE bolt usually works is the outer "ring" screws into the dustcap threads and the inner (ROUND, not hex) bolt head has to rotate and press against that ring so the ring has to be pretty beefy. I don't think a modified TA dustcap would be up for that service, probably be ruined if not immediately then before too many cycles.
Perhaps braze a washer under the cap to provide additional reinforcement? You'd want to remove the chrome first.