Thread cutting help needed

That set up is a bit cumbersome but will produce the desired result. If you were so inclined you could make a triangle that had a 30* angle the base of the triangle would be placed against the flat surface of the chuck the altitude would run parallel to the bed ways and the hypotenuse would be used against the side of the compound to set the angle for threading. The 30* angle is arbitrary you can make it whatever angle you prefer for threading
 
It is a small lead thread, ignore the compound as it will not improve the operation.
Feed from the cross slide straight in and thread away, infeeding at an angle IS NOT REQUIRED with such threads regardless of how many y-tube video stars tell you that it is the PROPER WAY.
 
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