Cutting threads with a milling machine - GIF

[jdurand]

kind of sharp threads.

[old kodger]

If you are cutting away from the chuck, with the spindle in reverse, using a milling cutter, you do not need to be behind the workpiece.

Attachment 37286

I have never done this. But the idea is intriguing.

John

you do, because otherwise you'll get a left hand thread

[old kodger]

you do, because otherwise you'll get a left hand thread

oops,... or maybe not. Hides red face behind hand.