All, I have a question. Perhaps, you might have an answer. I am trying to make the bracket below. The left side is a rough prototype, which I refined last night to perfection. I have the tools to cut and bend this to the perfect shape. The only problem I ran into was trying to cut out the half-circle tab at the end. Dad is an engineer and taught me the basics of designing and cutting metal. Taught me everything I know on building things, actually. However, neither of us know for sure how to cut this hole out without using a stamping press (which is how Huffman did it in the 50's). We tried drilling a small hole at the start and using two different router bits for a Dremel. The first would not cut the steel, it would jump around and ream out the groove. The second bit could not be made to turn. Does anyone have any suggestions? Would like to get this done, it's a favor for a member who helped me out. Thank you in advance!