U-channel Truss Rod

  • 23 Reviews
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Strong aluminum one-way truss rod, similar to the design used by Martin for many years.

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Item # 1177
In stock, ready to ship!


10 or more $11.34


Item # 1177-E
In stock, ready to ship!


10 or more $11.34


Item # 1177-B
In stock, ready to ship!


10 or more $11.34
Quantity Discount Prices apply when you buy multiples of the same item number.
Total: $0.00
Quantity: 20


Strong aluminum one-way truss rod, similar to the design used by Martin for many years.

The 3/8"-deep aluminum U-channel has an internal 3/16" steel rod, and a 5mm allen adjusting nut with washer.

Item  Width Length x Depth 
#1177 Acoustic  12mm  14-1/4" x 3/8"
(361.95 x 9.5mm)

Designed as a soundhole-accessible truss rod, and is
the same as installed in Martin guitars made after
#1177-E Electric  12mm  17-5/16" x 3/8"
(439.74 x 9.5mm)

For peghead or heel adjustment. This style of rod is
found in many production guitars, and is also preferred
by many custom builders because of its simple
design and strength.
#1177-B Bass  11mm  22-13/16" x 3/8"
(579.44 x 9.5mm)

For control of beefy bass necks. Can be installed for
peghead or heel adjustment.

Product Instructions

Truss Rod Installation

Single-action adjustable truss rod for Martin installation instructions.

Ratings & Reviews

U-channel Truss Rod

  • Based on 23 Reviews
Displaying 1 of 3 1 2 3
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Easy to install!

By justinarts from West Texas, USA
(Customer's Reviews) Monday, January 20, 2014

Great quality and easy to install! I have been using these for several years now and really like them!

excellent truss rod

By Vladimir L from Ukraine, Vinnitsa
(Customer's Reviews) Sunday, January 05, 2014

Comfortable installation. Is reliable in work.

I'll go back to using the hot-rod

By Lupinus from Montr+¬al, Canada
(Customer's Reviews) Friday, January 25, 2013

I was trying to find a cheaper replacement for the hot-rod I used on my last guitar, so I tried this. It's a good product but gluing with epoxy is tricky. Don't put too much especially near the nut - it can render the trussrod useless. Don't use too much glue. I also find it a bit hard to adjust and the groove is quite big (wide) compared to the hot-rod. I am afraid it can make the neck a little weak in the nut area. On the other hand it seems to add rigidity to the neck which is good.

martin style adj. truss rod

By A frock from springfield,ohio
(Customer's Reviews) Friday, November 30, 2012

put on old epiphone ft-570 bl perfect fit.

My favorite rod!

By Midnight Lord from Ottawa
(Customer's Reviews) Friday, August 24, 2012

Really good quality. Done a lot of instruments with this one.

Martin style truss rods rock!

By Lennie Joseph from Rochelle Park NJ
(Customer's Reviews) Friday, July 06, 2012

When I removed the fretboard of the DCME guitar I just repaired, I was concerned because it was shorter than the original. I called StewMac, and was told this is what Martin uses now. I called Martin and they verified this. Both Martin and StewMac told me it would be fine. I followed the directions to the letter, and let me tell you....I didnt want to return this guitar! The neck was like a hilly, twisted road and now its straight as an arrow and plays great! My customer is happy and all I can say is thank you once again StewMac for what you do. I have been a devout fan of yours and everything I have bought from you in more than ten years has been a great investment, true to the word perfect and priced well. Keep up the great work!!!

Good to go

By David Lane from East Tennessee
(Customer's Reviews) Monday, April 02, 2012

A worry free truss rod, and quite light. I was stuck for a moment thinking I didn't have a 7/16" router bit, until I realized I could simply use a 3/8" bit then move it over 1/16".......lol
I plan to buy another for a BassVI build soon

Easy and Strong

By Kench from Istanbul
(Customer's Reviews) Saturday, March 10, 2012

I can't think of a better truss rod design for us Europeans. All dimensions are in metrics, although it is described in imperials in description. All you need is a 12 mm router bit to route the channel, with around 11 mm depth. It is adjusted by 5 mm allen wrench, which can be found everywhere. The adjustment nut is made from a quality metal that will last forever and this is very important on a truss rod. I've used this on my Les Paul project and the neck turned out rock solid with a low, smooth action. I'm thinking of building a Strat now, and I will probably choose this rod for it as well.

Excellent anchor

By Ilya Li from Blagoveshchensk, Russian Federation
(Customer's Reviews) Tuesday, January 24, 2012

Excellent anchor. With a good rigid structure. I plan to install on a thin neck.

Martin-style Adjustable Truss Rod

By Dave Zolla from MA
(Customer's Reviews) Tuesday, December 06, 2011

Best and only truss rod for guitar you will ever need.

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