Search:

Only the end that I'm hitting balloons out. When it has spread enough, then I put everything together and start on the other end. I might try milling a small hollow in my anvil, however, to see how...

Sorry for the confusion. I drop the pin into the piece of wood and peen it enough to mushroom the head. When the head has expanded enough so that it will hold the washer, then I put everything...

I assume you're talking about peening the first end before you put things together? I drilled a hole in some hard maple so the pin sticks up about 1/4 inch. I then peen it until it mushrooms a bit...