Matching Nut files to string gauge when making a nut

nut slot depth   Dan nut slot depth

Electric Guitar Nut Files

The slots should be only deep enough so 13 of the string is above the top of the nut and 23 in the nut Related items Feeler Gauges  But you see lots of nut making instructions saying that the slots should only be about half a string diameter deep Indeed Dan Erlewine has said

slot mg But you see lots of nut making instructions saying that the slots should only be about half a string diameter deep Indeed Dan Erlewine has said After many years of making nuts and accepting the pedantic assertion that the nut slot depth must be exactly one half the depth of the