Just so, how deep should guitar nut slots be?
The slots should be only deep enough so 1/3 of the string is above the top of the nut and 2/3 in the nut.
Secondly, how do I file a Les Paul nut?
Additionally, how do I know if my nut slot is too low?
To check nut-slot height, hold the string down at the third fret, and see how much it moves over the first fret. This is similar to checking neck relief, but the string should move much less. If the string doesn’t move at all, chances are the slot is too low.
How do you file down nut slots?
How do you measure nut depth on a guitar?
You can measure the nut slot heights by placing a feeler gauge in between the bottom of the string and the top of the first fret when the guitar is up to pitch and after the neck and bridge are adjusted.
How high should the nut be on a guitar?
The top of the nut is shaped to follow the radius of the fretboard, and the string slots also follow this curve. To allow the strings to clear the top of the first fret, the bottoms of the slots should be . 030″ higher than the fret height.