Why is it important to use a die stock rather than gripping the die directly with pliers when threading a rod?
Die stock provides stability and alignment
When cutting an external thread the die must sit square to the rod and turn evenly around it.
A die stock is a handled holder that grips the die firmly and centres it on the rod, giving two long handles for even turning.
This keeps the die aligned and steady, so the thread is straight and true, not tilted or crooked.
Pliers grip only at one point, letting the die tilt and wander, so they cannot hold it square; extra torque is not the point.
Hence, the answer is die stock provides stability and alignment.
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