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21780 - ESAB 21780 Replacement Electrode for PT-25 Torch

Packaging: pack of 1
$56.38/EA $34.78/pack of 1 only $34.78/EASave 38%

Usually ships within 3-5 business days

OVERVIEW

Reliable Replacement Electrodes for PT-25 Torches

Keep your plasma cutter running at peak performance with the ESAB 21780 Electrode. If you are operating an ESAB PT-25 torch, you know that the electrode is the heartbeat of your cutting system. It is the part that transfers the arc to the metal, and it takes a beating so you can get the job done. When your cuts start to lose their edge or the arc becomes unstable, it is often a sign that your electrode is worn out. Swapping it out with a fresh 21780 is the quickest way to get back to clean, fast cuts.

This electrode is built tough for the shop environment. It features a durable copper body that handles heat effectively, preventing the part from overheating during long cuts. The hafnium center is designed to wear evenly, giving you a predictable lifespan so you aren't caught off guard in the middle of a project. We know that downtime costs money, which is why stocking up on essential consumables like the 21780 is a smart move for any fabricator or maintenance team.

Don't risk your torch with ill-fitting aftermarket parts. The ESAB 21780 is manufactured to fit the PT-25 perfectly, ensuring that your gas flow remains unobstructed and your electrical connections stay solid. This translates to less troubleshooting and more cutting. Whether you are working on automotive repair, structural steel, or general maintenance, having a reliable electrode means you can trust your equipment to perform when you pull the trigger.

Maintenance Tip

To get the most out of your consumables, check your electrode daily. If the center pit is deeper than 1/16th of an inch, it's time to replace it. Running an electrode to failure can burn out your nozzle or even the torch head itself. A simple change-out of the 21780 electrode protects your investment and keeps your cuts smooth and dross-free.

Additional Information
Brand:ESAB
Product Type:Plasma Electrode
Packaging Description:1 Per Ea
Compatible Torch:PT-25
Consumable Type:Electrode
Material:Copper, Hafnium
Process:Plasma Cutting

INCLUDED

  • 1 x ESAB 21780 Electrode

APPLICATIONS

  • Heavy industrial manufacturing
  • Structural steel fabrication
  • Automotive body repair and restoration
  • Scrap metal processing and demolition
  • General maintenance and repair (MRO)
  • HVAC ductwork cutting

FAQ

The 21780 electrode is designed specifically for the ESAB PT-25 plasma torch.

You should replace the electrode when the hafnium pit in the center exceeds approximately 1/16" to 3/32" in depth to prevent torch damage.

Yes, the 21780 is a genuine ESAB OEM replacement part, ensuring proper fit and performance.

It is constructed from copper with a hafnium insert, which is standard for air plasma cutting.

Yes, provided the PT-25 torch is set up with the appropriate gouging nozzle, this standard electrode functions for both cutting and gouging.

This item is typically sold individually (1 per each), though bulk packs may be available depending on the listing.

No, the 21780 is specific to the PT-25. The PT-31 uses different consumables.

OEM consumables like the ESAB 21780 are machined to exact tolerances, ensuring proper gas flow and arc alignment, which extends the life of the torch head.