ZB-13 Unslotted Replacement Nut for Classical Guitars

$39.99

Material

Slots

The Zero Glide Replacement Nut System borrows the "zero fret" concept to reduce string contact in the nut by up to 93%, increasing tuning stability, playability, and open string tone. It only takes a few minutes to install with absolutely no permanent alteration to your instrument. For Classical Guitar (Blank).

See the Classical Guitar DelCamp review of the Classical Zero Glide nut.

Also available in Black Delrin.

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See sizing guide for correct fit.
  • Length: 52.5mm (2-1/16")
  • Radius: FLAT
  • Production Height: 11.0mm (7/16")
  • End Height: 11.0mm (7/16")
  • Fingerboard: 8mm (5/16")
  • Thickness: 5.4mm (7/32")
  • Fret Sizes: L, M, H, J (.035", .039", .043", .051")
  • Special Notes: Unslotted Version of ZS-13
ZB-13 Unslotted Replacement Nut for Classical Guitars
*Measurements in mm
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Reviews

Get Rid Of The Gibson *Tink*

Mar 15, 2016

I just installed a Zero Glide Nut on my '14 Les Paul Studio. I was having trouble with the traditional *tink* and tuning issues often associated with Gibsons. Initially, I was going to try the new titanium nut made by Gibson but was told that it would not fit my '14 Les Paul. Keep in mind, I have never installed a nut before on a guitar where I needed to remove the old one. I had only fixed broken nuts in the past. I say this because I had a little anxiety when I decided to install the nut myself. The first thing I noticed was how much extra material must be sanded to get a perfect fit. For my application, I had to sand the bottom of the nut as well to get the fret to seat properly against the fret board. This may sound bad, but it is a good thing! It means that the folks at Stew-Mac realize (as I hope you do) that although these are precision instruments, there are many parts that are finished out by hand. The extra material allows for those minor variations and with a little work,

Marc Fletcher from Review pulled from Stew Macs Zero Glide Product Page
Zero Glide Query

Jun 23, 2025
I have a BC-350 banjo with the zero glide nut. It has been problem-free but I'm curious how this is an improvement over the zero nut found on budget European guitars since practically the beginning of time. I repaired instruments for decades and always regarded the zero fret as a marker of an inferior mass-produced instrument. No criticism of the Gold Tone zero glide is in any way implied here but I am confused.
CHRIS Battis Review pulled from Stew Macs Zero Glide Product Page
A Zero Glide should be the ONLY to go on your instrument.

May 3, 2018

I have 3 instruments with a Zero Glide nut that I play regularly on shows and in jam sessions. My Gold Tone OB 150 has one as standard equipment from Gold Tone. Next is my Martin D custom Acoustic and next is my Washburn M3SWK F body mandolin. I did the install on those last 2 instruments. YES, you WILL have to do some fitting. Follow the instructions to the letter on this. YES, you may find it to be a pain but the gain is more than worth it. Once the Zero Glide is installed and once you start playing a few tunes, you will wonder why you have not installed a Zero Glide nut a lot sooner.

No more string binding issues, no more graphite in the slots or any grease either. You don't need that stuff anymore. No need for nut slot files either with a Zero Glide unless you get one un-slotted. You will still have to fit the Zero Glide nut so you can make it a part of your instrument. No getting around that. It is all part of the fun so enjoy the pain and take your time with the fitting. Once that is done, the action at the first fret will be perfect. Your tone will be better. You will get some sustain you haven't had before. The Zero Glide nut should be the ONLY nut to go on your instruments. I like what it does for playability and tone.

Raymond from Review pulled from Stew Macs Zero Glide Product Page
martin nut

Nov 4, 2023
Now that I have it setup I love it. The kits should have all available nut wires in it. I had to special order the largest wire for my Martin Dred kit because the included were too small.
Ken Fuehrer Review pulled from Stew Macs Zero Glide Product Page
Great product

Dec 31, 2017

My circa 1997 American Standard Strat always had a problem with staying in tune after whammy bar use. I tried pencil graphite and different string sizes with not much luck. I put this nut on and a set of Gotoh locking tuners and now it seems to stay in tune very well.

Jeff from Review pulled from Stew Macs Zero Glide Product Page

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