Factory spec for cutting the nut slots?

Not sure of a measurement, I just bring down the slot height just to where the intonation on the first fret is good That usually leaves

Depending on your brand of guitar the nut recommended nut height is usually 020” to 022” for a Gibson at the first fret on the low and

nut slot files In theory, yes The ideal height would be just about the same as a fret's height in the same position as the nut In practice, I've found that there

nut slot height 3 to 4 I don't know in inches sorry And as for string height at the nut, I usually hold down the string at the3rd