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Custom Neck Floyd Nut Alignment Issues

gibby400

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Hi all, long time lurker here, only just realised I had an account!

I ordered a custom neck in December 2025 and finally had time this weekend to install the hardware. When fitting my FU-Tone brass R2 nut, I found it won’t sit square on the nut shelf, it ends up slightly misaligned.

I measured the nut and it looks basically on spec, so I moved on to the Warmoth nut shelf and the mounting holes. With the usual Floyd button-head bolts (with the grip washers) there’s minimal lateral adjustment available. With cap-head M4 bolts I can shift it a fraction more of a millimetre, but the nut still doesn’t sit evenly on the shelf, and I’m hesitant to torque it down against wenge when the contact/pressure looks uneven. Adding M4 washers to even pressure distribution reduces the lateral movement again.

Here’s a photo showing the limits of adjustment I’m getting with cap head M4 and no washer:

R2_nut_alignment_dryfit.jpg

I’ve also attached some caliper photos with the measurements:

right_fretboard_to_right_hole_edge_10p72mm.jpgleft_fretboard_to_left_hole_edge_12p27mm.jpgholes_inner_edge_to_inner_edge_9p72mm.jpgleft_hole_dia_4p54mm.jpgright_hole_dia_4p58mm.jpg

I’ve contacted Spike at Warmoth and I’m waiting to hear back. In the meantime, I’d really appreciate any input:

Has anyone had any similar alignment issue like this on a Warmoth neck? If so, what was the outcome (plug/redrill, replacement, something else)?

How has Warmoth been more recently - are their necks generally consistent, or are hardware fitment issues becoming more common?

I’m in the UK, so I’m also trying to get a feel for the practical side (turnaround, shipping, duty/VAT if it needs to go back).

I’ll update the thread once I hear back from Warmoth.
 

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Welcome to the forum!
I have a 7/8 warhead neck made in 2024 for R3 with mounting holes, no issues there, was a perfect fit.

This is the official Schaller R2 nut drawing, found here:

1000483923.jpg

The mounting holes are supposed to be off-center, so your measurements look right to me.

Not a lot of info to be found on the FU-tone nut. Though I would be a little shocked, considering the price, it looks to me at the moment like their dimensions might be off. :confused:
 
Floyd nuts are not made equal. You will need a German nut or confirm that the FU tone nut is the same mounting specs as the German OFR nut.
 
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