Crewdog10, been using T-track style mounts for some time and it works very well. Instead of woodworking T-track I went with an extrusion rail that goes by the trade name 80-20 (
http://www.8020.net/T-Slot-4.asp ) It's offered in different configurations and shapes, with many available accessories. You can get it through MSC or any number of outlets. I used 2"W X 1" thick, about 36" long. With the help of a router its recessed into the bench top. Price is reasonable....less than $50.
Mounting plates can be made from a number of different materials...wood, aluminum, steel, or plastic. I found high density plastics (PVC) work well, light weight, available in any thickness, easy to cut & drill, doesn't rust, and won't scratch bench surface. Can be found by googling the net or check the phone book under plastics.
1/2" thick plates worked well, gives you enough material to use a counter bore or counter sink.
I liked the versatility it offered....for reloaders, vises, cleaning station and more.
Been using this system for over a year, couldn't be happier. Fasteners are 1/4-20 button head bolts, flat heads, and socket heads. Used flat heads coming up from the bottom to mount the presses, nylon lock nuts on the top side. Holes on the bottom of each plate were counter sunk.
To attach the plates to the rails, early on I used socket heads w/hardened washers, later changed this and counter bored the holes, using button head bolts. All require an allen wrench for installation. I prefer using "T-handle" allen wrenches, no need to over tighten them.
Attaching rail to the bench is really quite simple, the 80-20 rail has T-nut slots on all four sides....drill a hole through the table and come up from the bottom with a bolt into a T-nut.
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