Originally Posted by DGF
I've ordered from Thorlabs before and they are a very legit outfit (but on an admittedly very quick scan, I don't actually see the specific M6/M8 adapter that you need).
One issue you may have is that any adapter probably isn't deep enough to allow your M6 threaded portion to be recessed to the depth it needs to be. The Dayton install diagram shows the threaded rod coming up completely through the enclosure base - all the adapters I've seen only have a 1/4 - 3/8 "pocket" for you to screw the spike into; you would then be left with either a too tall spike assembly (looks bad and probably doesn't have the required rigidity to provide a solid coupling) or you'll have to cut down the rod (which you're trying to avoid doing).
I'd be tempted to drill offset holes into the stands adjacent to the existing foot locations and to install the spikes as recommended by the manufacturer - you don't need to move too far away from the original locations and popping a 5/16" hole into the wooden base is pretty straightforward (and saves you having to mess with creating a new thread).
Edit: I just saw your stands in your profile - I was originally assuming that they were made of wood, or some other composite material that could be drilled to take the insert; is this the case? If not, maybe you could completely drill out the existing thread insert and use a suitable length M6 rod with a chromed "dome" nut (for aesthetics) + maybe a suitable washer on the upper surface of the stand, to attach the spike to?
.....then apparently you can sit back and enjoy ".....dramatically improved clarity, stereo imaging, and bass response"......what's not to like?
Thanks for the info. I read the part you mentioned about possibly having too tall of a spike assembly.
I'm actually hoping to gain a little height, perhaps an inch or more by adding the spikes.
Also, the stands will be on a carpet, so it's my understanding that I will be defeating the purpose for using spikes, however, I think the looks of the spikes are so good compared to the regular ones, that I'm willing to sacrifice the clarity, etc. The way it will look would be Carpet, discs, spikes, stands.
Which makes me wonder, do spikes really make that much of a difference just on surround speakers which have small amounts of bass?
I'm just really liking the looks of some of the spike sets I've been browsing. I think they look very nice. My sub is on an Auralex Gramma but I was hoping that the surrounds would not benefit that much from being on a proper spike set-up. Any thoughts on that?
Also, good to know about that site in case I end up finding a part from there.
Something like this almost seems like what I need:http://www.multibrackets.com/4487.shtml