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Gauged Nut Slotting Files

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Gauged Nut Slotting Files

About This Item

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 than a few thousandths 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.

Save 10% by purchasing the complete set
Always have the right gauge for cutting and shaping string slots on any instrument. Complete set of nineteen files includes every size we offer.

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.


Video

Trade Secrets!

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.

Instructions

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.

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5.0
  • 4.77 average rating from 258 reviews
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4.0

nut &Saddle Files

By

Verified Buyer


very nice files look well made the only thing is I wish there were more string diameters to choose from

4.0

The Best files you can get.

By

Verified Buyer


I got this new set of files. While the teeth of these files seems a little rough at first, I believe they will break in nicely and hopefully last as long as my old set.

5.0

Great tools

By

Verified Buyer


Great tools; do exactly what they are designed for. Tried using rotary tools in the past for this job. Don't even try. These files do the job perfectly, with much more control and precision.

5.0

Nut slotting files

By

Verified Buyer


Great files to have around your shop, I nearly have a full set of them now along with the double edge files. Quality tools from a quality vendor!

5.0

Great tool

By

Verified Buyer


Stew Mac has the best tools to keep your guitar in top notch shape.

5.0

Great!

By

Verified Buyer


Cuts straight and fast. I don't like Double-edge Nut Files from Stewmac, but this is great tool.

5.0

Right tools for the job

By

Verified Buyer


After trying everything including a fingernail file, I bit the bullet and ordered a set. The right tools sure make a difference from the initial cutting of the slots to touch ups later. String buzzing is now a thing of the past, thanks!

5.0

It's a file

By

Verified Buyer


Cuts straight and fast.

4.0

Thanks

By

Verified Buyer


It's impossible to file a slot for an .011 gauge string with a .012 gauge file. Thanks for making all of these sizes available

5.0

Great tool

By

Verified Buyer


Has helped us in the workshop with a lot of fine tuning jobs.Thanks Stewart Mac

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StewMac PDF Catalog, page 4 See Gauged Nut Slotting Files
on page 4 of our StewMac Digital Catalog