4mm Allen Nut Hot Rod Truss Rod

  • 91 Reviews
  • Write a review

A smaller 4mm (5/32") Allen nut for most instruments. Smooth two-way action corrects upbow and backbow, giving complete control over the neck.

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12-1/4" overall length

Item # 2550
In stock, ready to ship!

$15.79

6 or more $13.74
12 or more $12.95
+

14-1/4" overall length

Item # 2551
In stock, ready to ship!

$15.99

6 or more $13.91
12 or more $13.11
+

18" overall length

Item # 2552
In stock, ready to ship!

$16.99

6 or more $14.78
12 or more $13.93
+

24" overall length

Item # 2553
In stock, ready to ship!

$20.99

6 or more $18.26
12 or more $17.21
+
Quantity Discount Prices apply when you buy multiples of the same item number.
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Total: $0.00
Quantity: 20

Product Details

A smaller 4mm (5/32") Allen nut for most instruments. Smooth two-way action corrects upbow and backbow, giving complete control over the neck.

Easy to install. The Hot Rod® fits in a straight channel. For proper operation, this truss rod must be installed so that the active rod (the rod with the adjustment nut) is below the passive rod. A wooden filler stick is not required.

Smooth 2-way action with superior strength for stubborn necks.
Our Hot Rod neck adjustment system features twin rods in threaded brass collars. The stainless steel active rod turns for smooth neck alignment, with 2-way action to correct upbow and backbow.

The Hot Rod requires an access cavity for the adjustment nut, and a straight 7/32"-wide x 7/16"-deep slot (measured from the bottom of the fretboard) for installation.

Pick the Hot Rod Truss Rod size you'll need:
(overall length includes the nut)

Instrument
Resonator guitar
Acoustic guitar with 12th fret at the body
Acoustic guitar with 14th fret at the body
Electric guitar
Banjo
Bass
Size
12-1/4"
12-1/4"
14-1/4"
18"
18"
24"

We've designed the Router Bit for Hot Rod Truss Rods especially for routing your neck to fit our truss rods.


Product Instructions

Hot Rod Adjustable Truss Rods

Installation and adjustment instructions for Hot Rod Adjustable Truss Rod.

    • Item #
    • Weight
    • 2550
    • 0.197
    • 2551
    • 0.232
    • 2552
    • 0.296
    • 2553
    • 0.385

Ratings & Reviews

4mm Allen Nut Hot Rod Truss Rod

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  • POOR PRODUCT
  • Based on 91 Reviews
Displaying 5 of 10 1 2 3 4 5 6 7 8 9 10
Write a review

Very good double-action truss rod

By Gaca from Switzerland
(Customer's Reviews) Friday, April 06, 2012


I really like the idea of this truss rod, so I take one for test. ItÆs very easy to fit and it works very well for me û also for back bow correction.
Some possible improvements are already written in previous reviews: odd nut bright, even instead of round upper rod. I can recommend this item for standard application.

The Best!

By Ryan K from Calgary, Canada
(Customer's Reviews) Tuesday, March 20, 2012


This is the best style of the Hot Rod Truss rods. I won't use anything else and the 4mm Allen Nut style eliminates clearance issues one may have with a socket wall that is too thick to get between the space of the 1/4" nut and headstock veneer.

2way truss rod

By jjason from Cincinnati, oh
(Customer's Reviews) Thursday, March 08, 2012


It's a good truss rod setup. I needed to take an inch off the the long one I ordered so it took some messing around with it to get it apart and back together.

Excellent trussrod

By handson from Queensland
(Customer's Reviews) Monday, February 27, 2012


Just fitted the hotrod trussrod to my new neck very easy to route the slot and it fitted perfectly, adjusts easily,can't wait to finish the bass ,will be using these again ,thanks.

Best standard ones around

By Strandberg Guitarworks from Uppsala, Sweden
(Customer's Reviews) Thursday, January 26, 2012


I like these, just wish that they were lighter. Also, some lubrication of the threads would not hurt.

Good Truss Rod

By Ben Fleenor from Waynesville, NC
(Customer's Reviews) Tuesday, January 17, 2012


I've used several of these and they get the job done. My only complaints would be the odd dimensions (7/32 width in particular) and that it has a rod for the top piece instead of a flat bar. The price is great though.

hot rodding my new guitar

By lefty's rule from duluth mn
(Customer's Reviews) Tuesday, January 17, 2012


i bought 2 of these rods and they work great.

Fantastic Truss Rods

By Equilibrium Guitars from Somerville, MA
(Customer's Reviews) Saturday, January 14, 2012


I use these in every custom guitar and bass I make. They are effortless to install using the correct router bit, and provide tremendous control over the neck.

By using two carbon fiber reinforcements on either side of the truss rod, even a 28.5" scale 8-string can be adjusted easily.

installing truss rods

By zex guitars from Serbia
(Customer's Reviews) Sunday, January 08, 2012


I am very pleased with the easy installation and quality truss rodss

short scale telecaster

By Nikos Taliadouros from Athens Greece
(Customer's Reviews) Friday, December 30, 2011


I have used your hot rod truss rods for more than ten constructions and repairs during the last two years. It works perfectly both in guitars and basses. Highly recommended. Greetings from Athens. Happy new year.

Displaying 5 of 10
1 2 3 4 5 6 7 8 9 10


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