Ok guys, I'm almost done with my home build and things have gone way to smooth for comfort. I feel like something is bound to fall off when I take it out to test it but, we will see. My prop should be here in the next day or two and I have a question about the jam nuts that go on the shaft before and after the prop. Are these something that I need to order from a prop company or something I can just go get at the hardware store? My shaft is a standard 3/4" # 10 thread.