How to decide what kind of truss rod wrench to buy?



Asked by: Karen Mazterz

What size Allen wrench do I need for my truss rod?





1/8″ Hex (Allen) Truss Rod Adjustment Wrench.

Are truss rod wrenches Universal?

There are so many different tools designed for adjusting truss rods that it’s nearly impossible to have them all. Many manufacturers include a truss rod tool when you buy one of their guitars. However, not all do, so you may need to purchase the appropriate tool.

Do you need a special tool to adjust truss rod?

The tool needed for this adjustment is a 1/4″ ‘nut driver’ wrench available at any hardware store such as Ace. They used to be small enough to fit, but recently many driver brands seem a little too large and some grinding on the outside diameter may be necessary.

Are all truss rods the same size?

Different guitar builders use different size truss rods and you need the specific type wrench and exact size for your guitar. Some truss rods are adjusted with a socket wrench while others use an allen wrench and others may use different type wrenches.
Jul 29, 2014

Can I use an Allen wrench to adjust truss rod?





Most modern guitars have an Allen bolt that is adjusted with, you guessed it, an Allen wrench or key. When you’re adjusting the truss rod, make sure the Allen key is seated properly in the truss rod nut; push it all the way in. If you don’t, the nut can be damaged when you try to turn the wrench.
Oct 28, 2019

Is truss rod Allen key?

Not every truss rod uses an Allen key for adjustment – for example, Taylor guitars need a special Phillips head screwdriver and a 1/4″ nut driver. But if your guitar has the original truss rod, some Squiers take a 3/16″ Allen key.
Jul 9, 2019

What size is a Gibson truss rod wrench?

5/16 inch

Truss Rod Wrench 5/16 inch for Gibson Guitars, PRS Guitars, Gretsch by Music Nomad – Music Nomad.

What size is a truss rod?

The size of the wrench for the trusd rod is 5mm. Older Guitars and Basses: The size of the Allen socket wrench for the trust rod is 8mm but there may be some variation on some models. Was this answer helpful?
Dec 15, 2012



What size is Taylor truss rod nut?

1/4″

1/4″ nut driver and Phillips screwdriver. Designed for use with Taylor steel string guitars.

How long of a truss rod do I need?

Re: Length Truss Rod for Parlor Guitar? On a 14 fret guitar the truss rod can be around 1/2″ – 3/4″ longer than half scale length, and correspondingly shorter for a 12 fret guitar. You basically want the truss rod to stop at the heel, before the neck joint, and stick out the head far enough that you get a wrench in it.
Feb 2, 2019



Should I tighten or loosen the truss rod?

To reduce the amount of relief and make your guitar a little easier to play, you’ll want to tighten the truss rod or turn the truss rod nut clockwise.
Jul 8, 2022

Does tightening truss rod lower action?

Turn the truss rod nut clockwise to counteract this condition. TRUSS ROD TOO TIGHT: When the truss rod is too tight, the neck bows backward. This lowers the string height and increases string buzz. Turn the truss rod nut counter-clockwise to counteract this condition.

How do I know if my guitar neck is straight?

First set the tail end of the guitar on your toe and look down the neck towards the bridge. Look under the low E string across the top of the frets. Comparing the line of the neck to the line of the E string, try to see if the neck is as straight as the string or if the neck looks bowed away from or towards the string.
Apr 14, 2019

Does the Taylor Big Baby have a truss rod?

Features a ¼” nut driver on one end and a handy Phillips screwdriver at the other. Please note that Nylon Series and older Big Baby truss rods are accessed through the soundhole and require our longer wrench.
Jan 16, 2013



Should a guitar neck be straight?

Guitar necks are supposed to be as straight as the guitar can handle, however, not every guitar is capable of having a straight neck without intonation issues, fret buzz, or unwanted noises. A straight neck is in between a convex (too much relief) and a concave curve (backbow).

Can I adjust the truss rod with strings on?

Should I loosen strings before adjusting truss rod? You only need to loosen your guitar strings before adjusting your truss rod if you want to tighten the truss rod. Tightening the truss rod creates extra tension on the strings, which can cause problems.
Sep 4, 2019

Which way do you turn a truss rod to stop buzzing?

And you need to adjust your truss rod counterclockwise.

How long should you wait after adjusting truss rod?

It works well if you wait around 15-20 minutes between each turn. I found the most important thing was to just do about 1/4 turn at a time, and to use common sense, if you think your cranking it too hard, you probably are. As long as you feel it has more give, you should be good.
Jun 5, 2013



How long does it take for neck to settle after truss rod adjustment?

They are usually high and big change may take a couple days to settle fully in and playing it helps that process. If it’s a big change like that, I usually go say 75% the first time and play it for two weeks.
Nov 13, 2016

What is a dual action truss rod?

A double action or double action truss rod is a device inserted inside the neck, capable of recreating a concave or convex curvature on the fingerboard, independent of string pull.