The nut is one of the smallest but most critical parts of a guitar. A worn or poorly fit nut causes problems that no amount of string quality or pedal dialing can fix.
What the Nut Does
The nut sits at the headstock end of the fretboard, between the fretboard and headstock. It establishes:
- String spacing - String height at the first fret (action at the nut) - Break angle of the string over the nut - Lateral stability of strings
Signs of a Worn Nut
- Open strings buzz even though fretted notes are clean - Strings bind in their slots, causing tuning issues when bending - Strings feel 'sticky' when tuning up or down - Audible 'ping' when tuning — the string releasing from a groove - Visible wear or cracks in the nut material
Nut Materials
Plastic (Stock): What most guitars ship with. Adequate but wears fastest.
Bone: The traditional upgrade. Dense, hard, excellent resonance transfer. Self-lubricating to some degree. The choice of luthiers worldwide.
TUSQ (Graph Tech): Synthetic ivory. Extremely consistent. Pre-slotted options available. Excellent for most guitars.
Brass: Bright, sustaining tone. Popular on vintage instruments and certain players for its metallic character.
Locking Nut (Floyd Rose): Steel, locks strings for tremolo stability. Requires a wrench to change strings.
DIY vs. Professional
Buying and installing a pre-slotted nut for a common guitar is manageable for a careful DIYer. Filing nut slots to the correct depth and width requires specialized files and experience — incorrect cuts permanently damage the nut.
Recommendation: Buy the nut, have a tech install and fit it.
Need a Replacement Part?
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