Nut slots depth

The depth can simply be done with the nut in place and using a 012 feeler gauge or a 12 string as a feeler gauge to measure the gap between

Cutting string slots is delicate: if you cut one slot a little too low, you've blown the nut and have

nut slot depth When installing new nuts, I measure with feeler gauges and a radius gauge under the file when slotting a nut but for your purposes you can do

nuts and bolts slot Logically, the nut slots should need no more clearance above the first fret than would otherwise be required between the first and second,