You don't have to use studs to mount the rockers on EQ heads. I used Harland Sharp pedestal mounts. They also tie each rocker arm together so they won't rotate. Is it better than a shaft mount. I highly doubt it, but it's a lot stronger than studs.
Why does Harland sharp use such a steamroller of a wheel on the tip, combined with such a spindly shaft? Whoever makes the Hughes rockers has a much better design IMO. J.Rob