I picked up a Halo Triton tank recently along with a juice order, just to see what I could do with it. After I got it, I noticed it had what looked like 12mm eGo threads, but a different center post.
I figured I'd give a 510 to eGo adapter a shot, so I got one from Madvapes.
The main reason the eGo adapter doesn't work is because the center post on the Triton tank is too short (or the adapter's center post ist too long, if you want to look at it that way). Either way, they don't make contact. So...I filed down the top of the eGo adapter so it would be short enough to let the two posts connect. I used 100 grit sandpaper to file it down and 200 to smooth it out. It's all I have on hand at the moment.
I screwed the adapter back into the Triton tank and BAM it makes contact.
The only down side is it won't work on a sealed connector due to extreme airflow restriction. It needs an open center hole or it won't get enough airflow to get the vapor out. This isn't an issue for me, because my box mod has an open hole all the way through. I like top coil clearos in general and this one is working well now, so I'm putting a check mark in the win column. Here it is on my mod. Note the added 808 to 510 adapter since my box has an 808 connection.