Thanks. The other screws were fairly loose as well, so I gave them all some loctite and waiting for them to cure. Strangely, the clockwork synergy lugs are the only ones in my collection that use philips head screws. I didn't even notice until I went to look at the screwdrivers that came with the other bands and saw they didn't match.
As for purple or blue, the purple is low strength (blue is medium strength) and good when you want to get the screw back out "with the same tool used to put the project together". Since I'd like the screw to stay in there forever, and purple is hard to find at big box stores, I went for blue (quick trip to home depot).
More info here: http://us.henkel-adhesives-blog.com...kers/When-and-Why-to-Use-Purple-Threadlocker/
Probably not at a Hardware store, generally more automotive. I called a few auto stores but found it simply easier to order it off Amazon. Here's the general listing. There are a few sellers listed and I chose one in State. Figure less than $10 for piece of mind.
http://www.amazon.com/gp/product/B0...rd_t=36701&pf_rd_p=2079475242&pf_rd_i=desktop
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