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Make sure that it's the screws and not the inserts that a getting loose. But I see no problem using temporary loctite on your grip screws.
Respectfully,
jkelly
Either way is fine. The inserts loosen up as well as the screws. Whatever you do don't
put the high strength stuff on them.
My .02 is to use the PURPLE not the Blue. These are pretty fine threads and not much of a screw "head" to turn. Apply one one drop using a tooth pick to the threads after they've been degreased. If they still loosen up go with the Blue. It's not only the "color" it's also how it's applied. Most folks just pour a drop right out of the bottle and get too much on the threads.
I've used the Purple on 3/16 machine bolts/nuts that were prone to vibration and the nuts would fall off. After the Purple was applied they stayed in place.
My .02 is to use the PURPLE not the Blue.
Thanks. Good tip. Would you allow the purple to dry first before assembly?
No, the idea is to thread the parts together while wet, and then when the stuff dries it locks the threads in place.