I have an AGS 10. I had to have a new shaft made, and yes, it’s imperial. 5/8 inch. Yes, it’s a left hand thread. It was made for me by a member of this forum, but I am loathe to publish his name. I shall contact him for you. Best wishes.
Just an aside, but if you’re planning on using them below the water line, immersed in salt water, avoid brass. The zinc gets eaten away, leaving a skeleton of copper. Best wishes.
That, Deema. I bought a second hand Scheppach 3000 a few years ago, and it works quite well. I would love to find someone who can show me how to use it properly, though!