I don't see why not, if the rods you use can handle them.
I use 1/2oz - 3/4oz barrel sinkers for spider rig & jig pushing purposes. With that in mind, you could also melt them down & make your own size appropriate sinkers.
Many around here use 2oz "trolling weights" (or equiv. weight barrel sinkers) for pushing cranks, so it may be worth considering keeping them "as is" ... if you try crank trolling.