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What's the lowest fret height you've gone to for a fret redress?
Got a butchered (in several ways) Gibson L30 in (client purchased cheap) requesting a fret dress (to make it more playable) and a general tidy up.
Fret height at the lower end of the FB is ~0.44mm (0.0173") rising to 0.56mm (0.022") at the 12th.
Has couple of small nicks in frets 2 and 6 so would need to lower fret plane to about 0.0140" at 1st fret.
Is this practical?
P.S. I do have a cant file.

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The name catgut is confusing. There are two explanations for the mix up.

Catgut is an abbreviation of the word cattle gut. Gut strings are made from sheep or goat intestines, in the past even from horse, mule or donkey intestines.

Otherwise it could be from the word kitgut or kitstring. Kit meant fiddle, not kitten.

Lowest I've ever done on purpose is about .020.... On low stuff, it's really a pain to crown the frets. There is just no meat to work with, and no room to work the file. I end up radiusing the frets from both sides, and it takes about 3 times longer to get them looking good. I charge extra for it, too.

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"Act your age, not your shoe size" - Prince

I try not to go below 0.030".

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"I've been had again"
Tim Benware
Creedmoor, NC

This gets to be a bit of a player preference thing. Most players are good down to about .035", any lower and a good number will start to complain.

Another consideration is leaving enough fret crown to facilitate removal.... If the crowns are too thin they rip off of the tang which stays put. Anything less than .020 and this gets to be a problem.

Based on your numbers that Gibby needs new frets.

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Brian

You never know what you are capable of until you actually try.

https://www.howardguitarsdelaware.com/

Thanks folks. I didn't re-zero my depth guage correctly. Lowest fret was actually 0.024".
Fret job is done
Owner is a jazz player and this is an extra for occasional use at home, just wants me to tidy it up, so doesn't want a full refret.

_________________
The name catgut is confusing. There are two explanations for the mix up.

Catgut is an abbreviation of the word cattle gut. Gut strings are made from sheep or goat intestines, in the past even from horse, mule or donkey intestines.

Otherwise it could be from the word kitgut or kitstring. Kit meant fiddle, not kitten.