Rules for Operating Thread Dial on South Bend Lathe For all even numbered threads. close the hali at anv line on the dial. For all add numbered threads. close the half nuts at any numbered line on dial. For all threads involving one-half oi thread in each inch, such as close the half nuts at any odd numbered line. 10 01 rlJG Cru t1JG tool awq

Learn how to cut screw threads on your South Bend lathe with this comprehensive user manual. Covers setting up the lathe, cutting different types of threads, using taps and dies, and more.

In this video I demonstrate the special gearing, set up and technique required to cut metric threads on a South Bend 9A lathe.Special thanks to: Brett Nordg...

I am going to try some other ways to cut metric threads on the inch lead screw lathe using the thread dial indicator and half nuts and I'll post the results if I get anything worth while.

Notice in this method you set depth of cut using the compound and withdraw the tool using the cross slide. So you set the cross slide to zero and withdraw a full turn, .100" and then reset to 0...