After a week and a half soaking in Kroil, and the application of heat with a soldering iron and then with a torch, I still couldn't budge the sideplate screw. The more I tried the more the head got boogered. Yes, I used properly fitting hollow ground screwdrivers.
So, I drilled out both ends with my mill and used a screw extractor held in a tap wrench to remove it. I replaced it with a properly hardened screw and put anti-sieze on the threads.
What a PITA.
I installed a properly hardened replacement from VTI Gun Parts and made sure to put a little SuperLube grease on the threads as an anti-sieze. I actually bought a complete set of replacement screws but I'm haven't replaced the rest of them yet. The factory screws have a nice, deep blue while the replacements are matte. I'll replace them as needed. In the meantime I have applied Kroil to all of them.
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1 comment:
Kroil is a very good penetration oil, another thing that you might want to try is beeswax.
You warm the part up with a blow dryer and melt the beeswax on (and into if you can) the part that you want to loosen.
Then let it sit overnight in a warm spot. Then try to loosen.
If it is still being stubborn.
Then with a screwdriver that does not have a handle, repeatedly tap the end of the screwdriver straight down very lightly (for small connectors) with a small hammer for ten or fifteen taps. Remember, very light hits.
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