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0040979804 - ESAB MIG Gun Contact Tip Holder

Packaging: pack of 1
$284.96/EA $186.32/pack of 1 only $186.32/EASave 35%

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SKU: ESB0040979804 Categories: ,

OVERVIEW

Reliable Current Transfer for Industrial MIG Welding

The ESAB Contact Tube Extension is a critical component designed to maintain the performance and reliability of your MIG welding equipment. Positioned between the gas diffuser and the contact tip, this extension plays a vital role in the electrical circuit of the welding gun. It ensures that the welding current is efficiently transferred from the gun's power cable to the contact tip and ultimately to the wire electrode. Manufactured to ESAB's exacting standards, this part is engineered to minimize electrical resistance, which helps prevent overheating and ensures a consistent welding arc.

Constructed from high-quality brass alloy, the extension offers excellent thermal conductivity and mechanical strength. In industrial environments where welding guns are subjected to high duty cycles and intense heat, the integrity of the contact tube extension is paramount. A worn or damaged extension can lead to poor arc starts, erratic wire feeding, and increased spatter. By replacing worn components with genuine ESAB parts, operators can maintain the precision and quality of their welds. This specific extension (SKU 0040979804) is designed for compatibility with specific ESAB MIG gun models, ensuring a perfect fit and optimal gas flow characteristics.

At Josef Gas, we understand that downtime is costly. That is why we stock essential consumables like the ESAB Contact Tube Extension to keep your production lines moving. Whether you are performing heavy fabrication, automotive repair, or general maintenance, using OEM-quality parts ensures that your equipment operates within its designed parameters. This extension features precision-cut threads that resist seizing, making contact tip changes quick and hassle-free during routine maintenance.

Key Technical Benefits:

  • Enhanced Conductivity: High-grade materials reduce voltage drop across the front-end consumables.
  • Thermal Durability: Withstands the radiant heat of the welding arc without deforming.
  • Precision Fit: Ensures the contact tip is centered for optimal wire alignment.
Additional Information
packaging-description:pack of 1
----- new values below ----
Product Type:Contact Tube Extension
Process:MIG (GMAW)
Material:Brass Alloy
Brand:ESAB
Packaging Description:1 Per Ea

INCLUDED

  • 1 x ESAB Contact Tube Extension

APPLICATIONS

  • MIG/MAG Welding (GMAW)
  • Industrial Fabrication
  • Automotive Repair
  • Structural Steel Welding
  • Maintenance and Repair Operations (MRO)

FAQ

The contact tube extension connects the gas diffuser to the contact tip, transferring welding current and positioning the tip correctly within the nozzle.

Inspect the threads for damage, check for signs of arcing or pitting on the seating surfaces, and replace if the contact tip no longer screws in securely.

No, contact tube extensions are specific to certain gun models and series. Please verify your MIG gun model number before ordering.

It is typically manufactured from a high-quality brass alloy to ensure good electrical conductivity and heat resistance.

Yes, a loose extension can cause high electrical resistance, leading to heat buildup, erratic arcs, and potential damage to the torch neck.

Indirectly, yes. It helps position the contact tip and nozzle relationship, which is crucial for proper gas shielding of the weld pool.

Unscrew the nozzle and the old contact tip, then use a suitable wrench or pliers to unscrew the old extension. Install the new one firmly but do not overtighten.

Brass offers a good balance of electrical conductivity, mechanical strength, and resistance to thermal deformation compared to pure copper.