AG60 electrodes and tips fit the CUT-50Pro and SD-4050Pro; PT31 fits the CUT-50 and MIG-250 plasma function; IPT40 fits the SD-4050Pro heavy-duty setup. Match the torch marked on your machine, not the amperage.
How often do plasma electrodes and nozzles wear out?
Hobby use: expect roughly 1-2 hours of arc time per electrode/nozzle pair before cut quality degrades - a wandering or widening arc is your signal. Keep a spare pair in the box at all times.
Why is my plasma arc wandering or not cutting?
99% of the time it is a worn electrode or a dirty/noisy air supply. Swap the consumable pair first, then check for water in the air line - moisture destroys tips fast.
Can I mix AG60 and PT31 parts?
No - the two families look similar but the electrode geometry differs and mixing causes instant torch failure. Label your spares by machine if you run more than one plasma cutter.
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