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Good job.Another way to thread with a tap in a lathe is to use a good tap handle with a center in the back of it. Use the tailstock quill with a live center in it to center and keep the tap straight. Turn the tap handle and not the chuck while applying a little pressure from the tailstock until the threads are started. The chuck will need to be a low gear to prevent it from turning.The chuck key left in the chuck scares the hell out of me. It's not a good habit to get into.
Good job.
Another way to thread with a tap in a lathe is to use a good tap handle with a center in the back of it. Use the tailstock quill with a live center in it to center and keep the tap straight. Turn the tap handle and not the chuck while applying a little pressure from the tailstock until the threads are started. The chuck will need to be a low gear to prevent it from turning.
The chuck key left in the chuck scares the hell out of me. It's not a good habit to get into.