Bob, measure your T-slots and see if they will take a 5/8" T-nut and will pass a 1/2" bolt through the slot. If so, TeCo makes a vise mounting kit with hardened steel hardware that is exactly what you need. Penn Tool Co. sells it for under $10.00:
http://www.penntoolco.com/teco-vise-mounting-kit-for-kurt-type-anglock-vises-90442/
Its a great kit and works well - yeah, I have this kit.
Mike
http://www.penntoolco.com/teco-vise-mounting-kit-for-kurt-type-anglock-vises-90442/
Its a great kit and works well - yeah, I have this kit.
Mike