Registered: 04/05/02
Posts: 13483
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Actually, I think that brass would be worse for tuning-stability than either conventional or roller nuts.
A properly dressed conventional nut (bone, micarta, plastic, etc.) with a little lube in its slots, a graphite-composite nut (basically self-lubricated), a roller nut- any of these would be better for getting and staying in tune than a brass nut.
The "factory" set-up is just a "rough-in". You need to have a qualified "guitar tech" check the nut. It may be something as simple as needing a little filing or filling in of the slots. Also I would bet money the store you purchased it from did not set it up properly. Few stores do, especially GC... the GC in Nashville doesn't even have a guitar tech... no sh*t!!! If your Strat won't tune, it's not set up correctly. Good luck.
