0700300644 - ESAB M6 Tip Adapter for MXL 200/270/340 MIG Guns

Genuine ESAB Tip Adapter for MXL Series MIG Torches

The ESAB 0700300644 Tip Adapter with Nut Coupling is a critical replacement component designed for the maintenance and repair of ESAB MXL series MIG welding guns. Specifically engineered for the MXL 200, MXL 270, and MXL 340 models, this adapter serves as the interface between the torch's swan neck and the contact tip. It features a standard M6 internal thread, allowing it to accept a wide range of standard contact tips used in light to medium-duty fabrication environments.

Manufactured to ESAB's strict OEM specifications, this component ensures optimal electrical conductivity and thermal management. The adapter is constructed from a durable brass alloy that resists deformation under high heat, maintaining a tight mechanical connection even after prolonged welding sessions. The "Nut Coupling" designation refers to the integrated mechanism—often a spring or threaded seat—that securely holds the gas nozzle in place, preventing it from slipping or rattling during operation. This precise fit is essential for maintaining proper gas coverage over the weld pool.

In industrial MRO settings, maintaining the integrity of the welding torch front-end is vital for minimizing downtime. A worn or damaged tip adapter can lead to poor arc starts, erratic wire feeding, and overheating. By utilizing genuine ESAB parts like the 0700300644, facilities can ensure their welding equipment operates at peak efficiency. This part is a direct drop-in replacement, requiring no modifications to the existing torch setup.

Key Technical Aspects:

• Compatibility: Direct fit for ESAB MXL 200, 270, and 340 MIG guns.


• Thread Specification: M6 contact tip receiver.


• Function: Conducts current to the tip and secures the gas nozzle.


• Material: High-conductivity brass alloy.