Gauged Nut Slotting Files

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0.010" width

Item # 0821
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0.016" width

Item # 0827
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0.020" width

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0.024" width

Item # 0829
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0.028" width

Item # 0830
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0.032" width

Item # 0831
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0.035" width

Item # 0832
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0.042" width

Item # 0833
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0.046" width

Item # 5313
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0.050" width

Item # 0834
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0.056" width

Item # 0835
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Gauged Nut Slotting Files

Our tempered edge-cut nut files produce round-bottom slots for nuts and saddles. Ensure your 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!

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.

Customer Reviews

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5.0
  • 4.77 average rating from 178 reviews
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4.0

Gauged Nut Slotting Files

By
(Customer's Reviews)


Quality tool.

5.0

Best tool for the job

By
(Customer's Reviews)


If your looking for a quality tool that will do the job , look no further this is it. Nothing else that I've tried works as well as these files. Ruff in the slot with a saw and then finish with the files. They are the best.

5.0

Be Precise

By
(Customer's Reviews)


Your nuts are too important to do a sub-par job on! Always use the right tools for the job. Professional results don't come easy or cheap. Remember the initial cost will pay for itself many times over with quality jobs (and customer and personal satisfaction). I just used mine on a piece of black horn for a jazz box using 56-13 flatwounds. Outstanding results.

5.0

Gauged nut files

By
(Customer's Reviews)


These files work very well. Slots are accurate and can be widened slightly by working the file side to side. I've been using them to slot banjo bridges and they work great.

5.0

Indispensable tools

By
(Customer's Reviews)


The fret slotting files are an absolute must-have for any luthier! Thanks for Stu mac's expertise! Mario Bouchard - Luthier
Quebec city Canada

5.0

Gauged Nut Slotting Files

By
(Customer's Reviews)


Les limes pour sillets vont trFs bien,rien a redire.Merci.

5.0

file this away

By
(Customer's Reviews)


Forget the saws and single edge fret files, the double edge nut slotting files are durable,easy to use and precise and the perfect addition to your bench.

5.0

Outstanding

By
(Customer's Reviews)


I used these files to cut the slots in the brass saddles of the Schroeder Stoptail bridge. They cut through the brass very quickly and cleanly and made the job fun. The bridge sounds great and the additional intonation control made a good, PRS SE semi-hollow even better.

3.0

They do the job

By
(Customer's Reviews)


They get the job done!! as simple as that. Good quality materials, but I rate 'em with 3 stars cause I think the files are over-priced!!

5.0

Gauged Nut Slotting Files 

By
(Customer's Reviews)


Perfect

Works as it's supposed to.

Displaying 9 of 18
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