Do you have Tractor Supply stores in your area? I'd assume so seeing as George Strait used to be their spokesman. They will have it. Otherwise look at your small hardware and woodworking stores. It is used quite a bit as a lube for sinking screws into hardwoods like oak.
Interestingly enough I went to Google and typed in "pure beeswax" and got a lot of sources. When I typed in "bulk beeswax" I got even more. Amongst them was "Michaels Arts and Crafts"
I searched google for [ beeswax raw ] and [ beeswax pound ] (without brackets) then clicked the SHOPPING tab at the top. This was one of the results... Straight from the farm $4.25 per pound.
Also, as mentioned above, check toilet gaskets (toilet wax ring) at your local plumbing supply store or Home Depot. They used to be made from beeswax not sure if any of them still are, read the box. Might be a modern equivalent to beeswax that may(?) work as a lube too. Anyone have any experience with modern wax rings?