Saw a set of spreader clamps at a local hardware store, but they didn’t quite fit, so instead picked up:
which did fit, and when paired w/ a pair of M5 BHCSs and a pair of Nyloc M5 nuts and and some washers and nuts (M6 would be better, but I couldn’t arrange anything using that sort of hardware which would fit in the Hybrid T-tracks) and a stack of the stops from:
arrived at:
which secures in place quite nicely.
That’s not fancy enough to actually work.
Be careful with that style of HF clamps @WillAdams. I’ve had a few of those loose clamping tension after just a few minutes of use. Remember, they’re cheap for a reason.
I have a bunch of the Irwin squeeze clamps and they just dont have the holding power of an F type clamp with a screw type clamp. I have found that the Irwin squeeze clamps are only for just holding things together and not for any forceful clamping. Hopefully yours work but I would be very suspect of them.
I dont trust these for much.
These have much more clamping force and have the hole to secure like your clamp in the picture.
I haven’t found any of the F-clamps which fit thus.
On the flip side of things, I got a new toy:
and I’m regretting not getting the vertical jaws for it:
(for some reason, it came w/ a mix of normal and low-profile Torx screws for assembly… I’m going to have to make a run by the hardware store to fix that…(rather than trouble the manufacturer to send a packet from England))
so that I can bolt it to the front of my machine for vertical workholding…
Sniff it’s not a real fractal vise until they post a photo of it clamping a banana… 
That is a really sweet-looking little vise though…
They have such a photo in their advertising, esp. in the YouTube videos.
Can’t recall if there’s a banana, but see:
It is amazingly nice, and I’m trying to figure out how to justify all the accessories for it…
