Does every type of threading dies interchangeable with each other?
No,each type of threading dies has different dimensions. So they also cannot fit into different types of die heads.
Dies of SQ30 pipe threader are interchangeable with SQ30-2B pipe threader.
Threading dies of manual pipe threader 12R are interchangeable with SQ30 and SQ30-2B pipe threaders.
Details please see below selection charts:
