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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 259 reviews
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Displaying 6 of 26
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5.0

Good product.

By

Verified Buyer


The nut slot for the A string on our newly built custom guitar was too shallow. This file fixed it immediately.

5.0

Great Service and Tools

By

Verified Buyer


Fast reliable service. Quality products for every job. Will be buying from Stew-Mac again in the very near future

5.0

The proper tools.

By

Verified Buyer


If you are adjusting a factory made nut or making a new nut from scratch you must have these to do the job properly and precisely. I see no other way as being productive enough as what a great set of files can do.

5.0

A must have tool

By

Verified Buyer


This is not a tool that the user can successfully make, however, at one time or another every luthier would have needed this tool and would have spent a lot of time trying to find a tool and a way to do what this tool does- successfully, in seconds.

5.0

Exactly what I was looking for.

By

Verified Buyer


Three were the exact sizes I needed. They cut nice clean slots with the rounded bottom. Highly recommend.

4.0

ts a good file

By

Verified Buyer


file is a bit fragile, the front bottom chipped off at the corner, but it does the Job, maybe over priced as well esp when you need many gauges.

5.0

Great tool.

By

Verified Buyer


Purchased to do one of my Guitars, wasn't thinking I have 6 with all different strings and sizes should have ordered all of them. The Luthier I use must have had a new person answering his phone. Needless to say he lost some work.

5.0

Fine quality, works well

By

Verified Buyer


Fine quality files; worked well to lower the action at the nut. They do what they're intended to do.

5.0

Perfect!

By

Verified Buyer


What a great file. Cuts very quickly. Saves time!

5.0

Quit waiting to step up.

By

Verified Buyer


Like many, I made due with various lesser files and was never quite satisfied with the outcome. What a waste of time and effort. These nut files work perfectly the first time, are easy to control, and cut the slot the way it is meant to be done. Actually cost less than the drawer full of assorted files I've been using.

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