I have been looking at fixture options for a few production parts and finally took a gamble on the cheap Shars 4" double station vises. My math said they would ALMOST let me reach 3" into the close jaw set which is what I needed.

Turns out they work well on the Tormach. I had to cut off 3/4" to get the clearance I needed, and also don't use the jaws for my production parts. I ran 4000 of my pivot nuts on these last night using soft jaws from Monster Jaws and had absolutely no issues. In fact the clamp impressively tight.

They are cheap unmatched vises but for the price they are great. For reference the slots cut in the picture are all dead on and repeated over 36 straight hours of machining.

Cutting to size on Jet 7x12
Attachment 257594

Left overs
Attachment 257596

All the way back
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Brian
WOT Designs