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A couple of years ago I stumbled on to the BaCH website and IIRC they had bronze replacement nuts in stock then.
Check out bachmusik.com
No idea.What's the Bach nut width?
Yikes that looks like a few shorts waiting to happen. At the very least, I’d get some tape in there!

A session from 2016. Me on 8-string (the frankenstein Hamer 12 with 4 octave strings "on holiday"), Yamaha synth and a bass solo done on the left one:
View attachment 4969508
It was a bit of a nutty day yesterday.What's the Bach nut width?
Why would you wanna replace such a beautiful piece of craftsmanship?It was a bit of a nutty day yesterday.
I emailed BaCH to ask if the bronze nut shown on the website will work on their Thunderbird. We’ll see if they respond. They don’t list the measurements on the website.
View attachment 4969553
I measured the nut on mine. It is essentially 38 mm long, 5 mm wide and 8 mm high. Tusq has a black precut nut that is very close: Black TUSQ XL Bass 4 String Nut L37.94mm (PT-1238-00). It should work with at most some minor sanding. So I ordered one.
This is what I’m replacing:
View attachment 4969554 View attachment 4969548

With a splash of E.L.P.Somewhere between late 70s Rush and Kansas. I love it!
With a splash of E.L.P.![]()
Put the hood ornament at the 'foot' of the body to counteract...you know.
Right?Why would you wanna replace such beautiful piece of craftsmanship?![]()
Or even Todd’s Utopia. Very well done.Somewhere between late 70s Rush and Kansas. I love it!
Everyone seems to be getting into the pre-amp game. Super Pre | Bergantino Audio Systems Very interesting. Pretty much has everything. But it’s $700.00. Ouch.
Had a nut like that on an el cheapo Glarry that shattered on the G string. The TUSQ replacement was very solid.It was a bit of a nutty day yesterday.
I emailed BaCH to ask if the bronze nut shown on the website will work on their Thunderbird. We’ll see if they respond. They don’t list the measurements on the website.
View attachment 4969553
I measured the nut on mine. It is essentially 38 mm long, 5 mm wide and 8 mm high. Tusq has a black precut nut that is very close: Black TUSQ XL Bass 4 String Nut L37.94mm (PT-1238-00). It should work with at most some minor sanding. So I ordered one.
This is what I’m replacing:
View attachment 4969554 View attachment 4969548
Or even Todd’s Utopia. Very well done.