Thanks for answering. Actually the slots are still good and I'm able to hold the impact driver tight enough that it stays in place. I do think I could get more torque on it with a hand wrench, though, and I'll work on that.
A friend suggested heating the parts, figuring the brass would expand...
Still doing some maintenance after Hurricane Ivan. I have a number of brass parts with steel set screws. The screws in the ones that didn't get submerged by the salt storm surge can be removed with no trouble. The ones that were submerged, and not for long, have seized tight and cannot be...
