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
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$13.73

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0.013" width

Item # 0823
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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
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$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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0.056" width

Item # 0835
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$13.73

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Quantity: 20

Product 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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Product 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.


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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  • POOR PRODUCT
  • Based on 176 Reviews
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These gauged nut files are great.

By Ryan Rua from USA
(Customer's Reviews) Thursday, December 09, 2010


I just bought an assortment of these, and did the set up on an 1890's S.S. Stewart banjo as soon as I got them. I've always used Grobet nut files and I love them, but they are getting harder to find, getting more expensive with current exchange rates, and there are a lot more sizes of these gauged nut slotting files than Grobet offers.


It was hard to make the plunge and cross over from what I was used to, but so far I am very happy with these. I can not yet say how well they hold up in the long term, but as far as using them I am very happy and it was great having more precise sizes to choose from (important when using Aquila nylgut strings). I will add that (as with any nut file) a little wax on the sides makes using them very smooth.

tools

By slapypiero from France
(Customer's Reviews) Wednesday, November 24, 2010


Here i can find all that i need and from France,the shipping is fast and excellent,thanks St.Mc Do.!

Best slotting files available

By Tiunov (22) from Moscow, Russia
(Customer's Reviews) Monday, November 22, 2010


Maybe these files are slightly overpriced, but what else will do their work?

Bone nut adjustments

By Francis M from Reading, UK
(Customer's Reviews) Thursday, November 18, 2010


These files made a great difference to adjusting the bone nut and saddle on a J-185 guitar - far better than trying to guess the right part of a swiss file to use - been there!

Stwe-Mac gauged nut files

By fpirrone from buffalo, ny
(Customer's Reviews) Friday, November 12, 2010


After reading comments about other vendor's files not cutting cleanly and loading up with nut material I decided to go with the slightly more expensive ones from Stew-Mac.

I've now cut several nuts of different material and can say definitively that these files are everything you could want - in terms of smooth, clean, and secure cutting.

They're easy to use, easy to control, and produce an excellent result.

Improved Stew-Mac Nut Files

By Lenawee Lutherie from Tecumseh Michigan
(Customer's Reviews) Friday, November 12, 2010


I had the opportunity to demo Stew-Mac's new and improved nut files and I was so very impressed that I did not hesitate to purchase replacements for some of my older files.



The new nut files have a much more uniform and aggressive cutting pattern when viewed under magnification. As such the cut is more predictable, uniform, and in my opinion easier as well.



I also have a full suite of Grobet files which prior to trying Stew-Mac's new and improved nut files had been my favorite. Not anymore though - once again Stew-Mac comes through with an excellent tool at a very competitive price.



Thanks Stew-Mac!

Right Tool

By Carlton Larsen from Saskatoon Saskatchewan
(Customer's Reviews) Tuesday, October 12, 2010


Gotta love having the right tool for the job. I used to use needle files for nut slots but these are faster and leave the slot smoother for less sticking and smoother tuning.

Nut Files

By bbilly21 from Cary, IL
(Customer's Reviews) Friday, September 24, 2010


I have just gone through the process of building my first banjo. The second one is already started! although I did not have to buy many "special" tools, I'm glad I spent the money on the nut files. The strings are set perfectly with no rattle or buzz. The banjo has great tone.

Works great

By Phill from Oklahoma
(Customer's Reviews) Wednesday, September 22, 2010


I ordered these files in the sizes I needed to file the nut slots on several guitars; they worked perfectly. Take it easy and measure your string/fret clearance often, because they do cut fast. I'm very pleased with the files, they're not cheap but quality costs a little extra.

nut file

By junior from Ohio
(Customer's Reviews) Friday, September 03, 2010


Had no experience with using these, but with some advice, touched up a ragged nut slot and it did the job I wanted. Recommended.

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