I put grease on mine and it helped. About the finish, mine is already showing signs of wear around the edges of the pattern but that's okay. I think with the industrial design of the mod, it will actually look better when it gets a little "broken in".Agree the SL threads are grindy, and battery pressure does make it worse. Pushing on the cap when installing the battery helps. But they aren't smooth, even without the battery.
Good thing is, it's not a fine threading, so I don't think it will cross thread or get damaged. Just seems kind of janky on a YiHi mod. Guessing it will smooth out some with time, I may put a light coating of vaseline on them to see if it helps.
I've got three of them, one stabwood and the black and gray pearl or whatever they call it. The threads on the stabwood are actually much better than the other two.
Also, I've noticed the finish quality isn't the greatest on mine. It's a laquer coated stainless steel, and the finish applied isn't smooth/clean in some places. Almost like it's applied heavier in some places than others. I just expected a little better from a YiHi mod.
Don't get me wrong, I'm really pleased with mine. No regrets.
I may get a polishing bit out for the dremel and try to clean up the threads a bit on one of mine. No griding or brushing, just a polish wheel perhaps to smooth it out a bit. Actually, some steel wool would probably help a great deal.
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