mono jack nut thread pitch

jessenator

jessenator

Well-known member
I've encountered two different pitches (and outer hex diameters) in monojacks, so I'm wondering if anyone has tried these. I'm guessing—since they aren't listed like Neutrik and Switchcraft are—they do not fit the Lumberg KLBM shrouded jacks, yeah? I.e. they aren't compatible with M9x0.75?

lovemyswitches.com

Dress Nut and O-Ring Set for 1/4" Jacks

Protect your pedal with this dress nut and o-ring set for Switchcraft 1/4" jacks. The hex nut hides the bushing so all you see is a smooth, perfect finish.
lovemyswitches.com lovemyswitches.com

Then my follow-up, if that's the case, does anyone know of that style of dress nut that will fit that M9 standard? I like the look and design of the concave vs convex/domed dress nuts.
 
I guess I didn't specify. I'm looking for one that's M9x0.75 but thanks for looking for it.

I almost exclusively use the KLBM in my projects, and going to use a "panel" (PCB…) mount jack for some projects.
 
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So this has still been eating at me. I haven't been able to locate a source of the concave, shrouded dress nut, like the Switchcraft W07, in M9x0.75.

I want to pivot the conversation towards what it would take to commission something like this, and if anyone would be interested in a kind of group buy to cover it, for those interested. Math says they cannot be re-tapped, since

So apparently I've only tried it one way (M9 nut onto 3/8-32 jack), but never the other way---must've thought it would just not work and not to try. I just tried it and a 3/8-32 nut threads onto these M9x0.75. Like, very well. And barring a significant amount of torque (more than is likely needed for our purposes), these should thread on. Similar situation where 1/4" (6.35mm) pot nuts will fit 6mm shafts, but not the other way around?

So that's neat™
 
I went thru something similar to this. My 1590b top jack builds use four nuts to space the jacks around the inner lip of the bottom cover, and I like to use the cheap enclosed jacks, some of which have m9 fasteners and others use 3/8 unf. Depending on where I got them, the same nuts would fit on some jacks and not others. The M9 jacks have slightly smaller threading surfaces, which is why 3/8-32 fit on them.

I finally figured out the right combo of tayda 40 cent jacks and small bear switchcraft 17 cent nuts.
 
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