Home Depot doesn't carry dimpled washers

For that matter, neither does Menard's, Ace Hardware, Hardware Hank, 7 Corners Hardware, or any other local hardware store I visited. Apparently I'm the only customer to EVER ask for them, because not a single employee at any of the aforementioned stores even had a clue as to what a dimpled washed is. And no, thank you, I'm not looking for finishing washers or neoprene-lined gaskets. This is what I needed:



I found them easily online at Aircraft Spruce and Specialty, so I was able to finish attaching the wings. Almost. One of the screws snapped in half and I've been unable to extract it so far. Aside from that little mishap, the wings are firmly in place.