9 inch front left side drum Richardson, TX

The parts manual lists the lug stud as part number 2409809.
Arizona Parts shows four available at $1.50 each. Shipping will be extra. The owner is Martin Kolner. I've purchased from him twice this year with no problems, but it took a couple of tries to get ahold of him by phone. Quick Search List
There are also some on eBay for $6.95 each with free shipping.