I have an old brass steam whistle with the top (locking) acorn nut missing. This thing must have been special built by someone with screw cutting lathe. As near as I can determine the threads are 7/16 x 18. I can not find any currently made nuts and or taps with these threads. Is there a...
I am aware of the saftey issues of hitting metal to metal I use a die to cut leather that was made as a punch(with a handle) rather that to be used in a press. After minimal use it crystalized and broke. Now I am told never to strike this type of tool with a metal hammer. I have chisels and...
