If I can toss in on this:
I wouldn't use a punch and hammer to re-install the nuts. They need to be torqued to a specific value (as the tire is spun back and forth) to set them up correctly.
Undertightening will likely cause a 'wobbler' and overtightening could wreck your bearings.
For the cost of the socket (not too mention you need to use it every time you change or machine your rotors), and nuts, it's totally worth buying.
I'd check the PA catalogue thoroughly, but if that doesn't work, a Napa or Auto Parts Extra type store normally carry them on those racks of specialty tools....brand: MD or something like that? red packaging......
Good luck,
Nick