Manually machining 316 SS bulk head fittings on lathe

[Don52]

Thanks, for all of your kind comments.
-Don...

[Don52]

The tapping process was easy -- it was no different than tapping mild steel or aluminum.

6. Close up of tapped hole

Next I used a parting tool to remove the partially machined fitting from the lathe.

7. Parting the fitting off

The last picture shows...

[Don52]

I am building a 570 square foot addition to the back of my garage. My friend Ray helped me to install and spackle the drywall. He needed two custom 316 stainless steel bulk head fittings for his boat, so I machined them for him (It was the least that I could do). The exterior thread is a M22 x 2.5....