636868 - ESAB ST-23A Inch Switch Mounting Disk

Genuine ESAB Replacement for ST-23A Systems

The ESAB 636868 Disk Mounting Inch Switch is a critical replacement component designed specifically for the classic ST-23A MIG welding gun. In the world of industrial fabrication, equipment reliability is paramount. The ST-23A series has long been a staple in heavy-duty welding operations, known for its durability and performance. However, even the most robust tools require maintenance. This mounting disk and switch assembly plays a vital role in the functionality of the torch's wire feed control, specifically the inching mechanism that allows operators to feed wire without energizing the arc or wasting shielding gas.

Sourcing genuine OEM parts like the 636868 ensures that your equipment remains within factory specifications. Aftermarket or ill-fitting substitutes can lead to intermittent electrical contact, mechanical binding, or safety hazards during operation. This ESAB part is manufactured to the exact tolerances required for the ST-23A handle assembly, ensuring a snug fit and reliable actuation of the switch. Whether you are maintaining a fleet of older machines or repairing a single trusty torch, using authentic ESAB components extends the service life of your investment.

At Josef Gas, we understand the importance of having the right spare parts on hand to minimize downtime. The wire inching function is essential for safe setup and changing wire spools efficiently. A worn or broken mounting disk can render this feature useless, slowing down production and frustrating welders. By replacing the damaged component with this genuine ESAB part, you restore the tactile response and electrical reliability your team expects.

Key Benefits of OEM Parts

• Precision Fit: Guaranteed to align perfectly with the ST-23A handle and internal wiring.


• Durability: Made from high-quality materials resistant to heat and mechanical stress common in welding environments.


• Performance: Restores the smooth operation of the inching switch, ensuring consistent wire feeding during setup.