Need to replace truss rod nut for 1994 Peavey Fury Bass

m-j

Feb 26, 2019
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Hello. I removed the truss rod nut (see photos) from my 1994 Peavey Fury. I removed it using a 5/32 hex tool. As you can see from the photos I should get a replacement truss rod nut. 2 questions: Where can I get this truss rod nut? Also, the 5/32 hex tool is not super tight, but had maybe a hair of movement before turning the nut. Should I be using a different size hex tool? Ordered the Fender bullet nut but it is too big, cannot get into hole. Went to GC and tech measured with a digital caliper and diameter is 7.97. I am wondering where and what size I can find a replacement nut for the truss rod. Please let me know. Thanks to all that provide insight and expertise for this.
 

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Hello. I removed the truss rod nut (see photos) from my 1994 Peavey Fury. I removed it using a 5/32 hex tool. As you can see from the photos I should get a replacement truss rod nut. 2 questions: Where can I get this truss rod nut? Also, the 5/32 hex tool is not super tight, but had maybe a hair of movement before turning the nut. Should I be using a different size hex tool? Ordered the Fender bullet nut but it is too big, cannot get into hole. Went to GC and tech measured with a digital caliper and diameter is 7.97. I am wondering where and what size I can find a replacement nut for the truss rod. Please let me know. Thanks to all that provide insight and expertise for this.
I believe they went metric mid 1984 which is why the inside of the existing nut is hacked up. Too many years of using the wrong allen key.

Doesn't help your current situation now what ever it is metric or imperial.




@kodiakblair is the resident TB enthusiast. He may be able to better guide you than I.
 
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I posted in the Peavey Forum a few days ago but only received 1 reply, so I put it in the General Forum to see if it would be more visable. Hoping to see the B-Mac collection of magnificent basses one day!!
 
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Hello. I removed the truss rod nut (see photos) from my 1994 Peavey Fury. I removed it using a 5/32 hex tool. As you can see from the photos I should get a replacement truss rod nut. 2 questions: Where can I get this truss rod nut? Also, the 5/32 hex tool is not super tight, but had maybe a hair of movement before turning the nut. Should I be using a different size hex tool? Ordered the Fender bullet nut but it is too big, cannot get into hole. Went to GC and tech measured with a digital caliper and diameter is 7.97. I am wondering where and what size I can find a replacement nut for the truss rod. Please let me know. Thanks to all that provide insight and expertise for this.

Peavey switched from a 5/16" truss rod nut, to a metric 4mm socket head, sometime around '93.
(IIRC, the truss rod thread size also changed, to 5mm, you can check this with a known 5mm bolt)

1992 on the left, 1994 on the right;

DSCN1997.jpg
 
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I believe they went metric mid 1984 which is why the inside of the existing nut is hacked up. Too many years of using the wrong allen key.

Doesn't help your current situation now what ever it is metric or imperial.




@kodiakblair is the resident TB enthusiast. He may be able to better guide you than I.

@B-Mac , your links are for a string nut, OP inquiring about truss rod nut :)
 
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FWIW, I've measured Eklind USA made Allen wrenches, metric stamped 4mm, and SAE stamped 5/32",
and found both of them to be the same exact size, :woot:
at .1545"/ 3.92mm.
Apparently they are close enough in tolerance, to manufacture on the same machine, just stamped differently.
I'm sure other brands may vary slightly in actual size.
 
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Have you tried measuring the thread on the nut? If you don't have screws of known measurements to try out, take it down to the hardware store and see what thread fits.

Then you can contact Stew Mac or look on eBay or Ali Express to hopefully find the right sized nut. Whatever nut you purchase should tell you exactly what size wrench your will need, but even if not it shouldn't be hard to figure out.

Good luck!


EDIT: Looks like you may already know the thread. Check the sources above to find a nut that fits once you've established what the clearance is in the cavity.
 
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Rather than trying to solve the problem, I'd like to suggest you might not have as large a problem as you think, and you might be able to get around it with a different tool.

Looking at the peaveynut2.jpg picture, it looks to me like the outer end of the hex socket is rounded, but at the bottom it still looks nice and clean. It will probably be fine as long as you have a properly-fitting hex key and insert it all the way.

I think perhaps you didn't get the tool inserted all the way to the bottom and that's how the outer part of the socket got rounded. You said you used a "hex tool" - was it a screwdriver type, or was one of those L-shaped ones? Sometimes a screwdriver tool can't be inserted straight or all the way because other things around the truss rod access get in the way.

Before you panic, go to the hardware store and buy a 4 mm (not 5/32") L-shaped hex key. Try inserting that into the nut. Make sure it goes in all the way to the bottom. Does it seem reasonably tight? If you reinstall the nut on the truss rod, can you still get the tool all the way to the bottom of the socket in the nut?

Also - did you try to adjust the truss rod with the strings at pitch? That means the adjustment needs not only to overcome the strength of the wood but also the tension of the strings. I always slack my strings and apply a little back pressure on the neck at the first fret to take the load off the adjuster when I'm adjusting the truss rod. Less force on the nut = less chance of rounding it ;)
 
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Ok see photos - went to my building super - who is, SUPER because he has a grinder and was able to shave the nut which now fits. Before he started he said, "It won't look pretty," and I said no one will be looking at it since it will be out of sight. It fit no problem after using a 4 mm L shaped hex tool, put new strings on and we are good! Thank you all for the advice/info. you all provided. Appreciate this amazing website and the community providing their input to resolve bass issues.
 

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