Gauged Nut Slotting Files

  • 176 Reviews
  • Write a review

Our tempered edge-cut nut files produce round-bottom slots, to ensure that the strings seat properly in the nut without buzzing.

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0.010" width

Item # 0821
In stock, ready to ship!

$13.73

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0.013" width

Item # 0823
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$13.73

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0.016" width

Item # 0827
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$13.73

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0.020" width

Item # 0828
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$13.73

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0.024" width

Item # 0829
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$13.73

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0.028" width

Item # 0830
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$13.73

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0.032" width

Item # 0831
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$13.73

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0.035" width

Item # 0832
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$13.73

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0.042" width

Item # 0833
In stock, ready to ship!

$13.73

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0.046" width

Item # 5313
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$13.73

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0.050" width

Item # 0834
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$13.73

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0.056" width

Item # 0835
In stock, ready to ship!

$13.73

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Quantity: 20

Video

Gauged Nut Slotting Files

It just makes sense to cut the string slots to match the string gauges! With this set of gauged files, your work is fast and accurate too.


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Details

Our tempered edge-cut nut files produce round-bottom slots, to ensure that the strings seat properly in the nut without buzzing.

Each chrome-alloy steel file has twin 4" cutting edges. Among our most popular tools, these professional files help you get the job done quickly and correctly.

What files do I need?
Choose nut slotting files that are the same size or no more that a few thousands larger than your individual string gauges. A smaller file can also be rocked side-to-side to widen a slot to the desired size. For example, you can cut a .043" slot with a .042" file by moving it around a bit.

Tip: Slotting Tune-o-matic style saddles
Nut slotting files work great for metal saddles. Choose your file size as you would when slotting a nut: use the same gauge as the string, or a few thousandths larger. After filing to the desired depth, we suggest polishing the slot with Mitchell's Abrasive Cord to remove file marks and burrs.


Trade Secrets! Newsletter

Are you supposed to slot Tune-o-matic bridge saddles?

Customers often ask how and why they should put slots in the saddles of their new Tune-o-matic bridge. Erick Coleman provides the answers in this issue of Trade Secrets.

Product Instructions

Making a Nut, Step-by-Step

Dan Erlewine, of Stewart-MacDonald's R&D Team, walks you through making and installing a new nut.

Ratings & Reviews

Gauged Nut Slotting Files

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  • GOOD PRODUCT
  • AVERAGE PRODUCT
  • FAIR PRODUCT
  • POOR PRODUCT
  • Based on 176 Reviews
Displaying 13 of 18 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Write a review

gotta have em

By sherman stockton from indiana
(Customer's Reviews) Saturday, October 01, 2011


wouldnt do a nut job without them,but how about bringing out some more thicknesses to choose from so any size string can have that perfect slot size?

Nut files

By carlton wilkinson from victoria, tx
(Customer's Reviews) Tuesday, September 27, 2011


These are a necessity for anyone who sets up guitars.

Nut files, nutcase

By Tonemannz from Auckland New Zealand
(Customer's Reviews) Saturday, September 24, 2011


Nutcase because I could have saved myself a lot of effort and frustration if I had simply purchased these years ago instead of fluffing around with needle files!
Needle(es) to say that these work great for E A D G on 4 string bass, but one for the low B would be helpful in the future.

Nut File Fix

By D.A.D. from Fullerton CA
(Customer's Reviews) Friday, September 23, 2011


I just recently purchased a set of nut files to finish off my Stew Mac Dreadnaught kit built earlier this year. I built the guitar under the instruction of a professional luthier, who had all the tools but we were limited on time of use for the class. I got as close as I could in time allowed but not quite where I wanted to be.

I've since use my new nut files to complete the job. The action at the top fret in now perfect, the files were the exact tool needed and made the work much easier without having to guess. Thanks Stew, I plan a few more guitar making/repair ventures so keep the rest of those tools handy, I'll Be Back.

what the doctor ordered!

By Steve Fazekas from Sarver,Pa.
(Customer's Reviews) Thursday, September 22, 2011


the excellent quality & value of tooling from stew-mac makes any repair job/build project easier...the nut slotting files assure a precise job every time. keep 'em clean for a proper cut.

Great file

By Mike T. from North Carolina, USA
(Customer's Reviews) Thursday, September 15, 2011


These files work great. I have these for the in-between sizes for the two sided files.

Great files

By Norman Letendre from Newington, CT
(Customer's Reviews) Saturday, September 03, 2011


These are very accurate filesàmake sure you clean them often. I have every size (some IÆve had for years) and I use them all the time

Perfect tool for the job

By Old Town Gutiars from Georgetown, TX
(Customer's Reviews) Sunday, August 28, 2011


In the beginning I made a few nuts with just 2 or 3 files, rocking them back & forth to file the appropriate size slot, but recently purchased a broader selection of sizes, and my nut making & setups are going much more quickly, and with greater accuracy!

Worked Perfect

By TG hoffman from Albert,Kansas
(Customer's Reviews) Sunday, August 28, 2011


The G slots on my Ibanez mandolin were not cut deep enough and, this file was the perfect solution. Took no time at all and, the problem was corrected. Using the right tool for the job makes all the difference. Glad I found StewMac for this tool and their Great how to alticles.

Nut slot files make a huge difference

By Penny Guitars from Adelaide, South Australia
(Customer's Reviews) Friday, August 26, 2011


I've put up with trying to do this job with a selection of needle files for years now, these nut slotting files are so much more precise and time saving.

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