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633887 - ESAB ST-21 Mounting Bracket Spacer 633887

Packaging: pack of 1
$42.84/EA $27.19/pack of 1 only $27.19/EASave 37%

Usually ships within 3-5 business days

OVERVIEW

Genuine ESAB Spare for ST-21 Torch Systems

Keep your automated welding equipment operating at peak efficiency with the ESAB 633887 Mounting Bracket Spacer. Designed exclusively for the ST-21 series of TIG torches, this spacer is an essential element of the torch's mounting assembly. In mechanized TIG welding, the torch must be rigidly fixed to a travel carriage, oscillator, or robotic arm. The mounting bracket is responsible for this rigidity, and the spacer ensures that the bracket grips the torch correctly, accommodating specific diameter requirements and ensuring a tight, vibration-free fit.

The ST-21 is a high-performance water-cooled torch often used in demanding industrial applications where precision is non-negotiable. Over time, mounting components can wear down, get lost during reconfiguration, or become damaged. Using improvised solutions or non-OEM spacers can lead to poor torch alignment, which directly affects the quality of the weld bead. A loose torch can cause wandering arcs, inconsistent penetration, and potential damage to the torch itself if it slips during a weld cycle. The ESAB 633887 spacer eliminates these risks by providing the exact dimensions required for a secure lock-up.

Installation is straightforward, fitting directly into the compatible mounting bracket assembly. It is constructed from durable materials capable of withstanding the industrial environment, including exposure to heat and mechanical stress. For fabricators and maintenance teams responsible for automated welding cells, keeping spare mounting hardware like this spacer on hand is a smart strategy to minimize downtime. It ensures that if a torch needs to be swapped or repositioned, the mounting system can be restored to factory specifications immediately.

Welders Supply provides only authentic ESAB parts to ensure our customers receive the quality and reliability they expect. This spacer is no exception. It represents the manufacturer's standard for fit and function, ensuring that your investment in the ST-21 torch system continues to deliver superior results. Don't compromise on your setup's stability; choose the correct spacer for your mounting brackets.

Additional Information
Brand:ESAB
Product Type:Spacer
Application:TIG Welding, Torch Mounting
Compatibility:ST-21 TIG Torch
Part Number:633887
Component Type:Mounting Bracket Spacer
Torch Model:ST-21
Packaging Description:pack of 1

INCLUDED

  • 1 x ST-21 Mounting Bracket Spacer (633887)

APPLICATIONS

  • Mechanized TIG welding setups
  • Automated welding cells using ST-21 torches
  • Torch positioning fixtures and carriages
  • Pipe welding automation
  • Linear seam welding equipment

FAQ

The 633887 spacer is designed to fit inside the mounting bracket of an ST-21 torch to ensure a secure and precise fit, preventing the torch from slipping or misaligning.

This spacer is specifically listed for the ESAB ST-21 TIG torch mounting bracket. Compatibility with other models is not guaranteed and should be verified with technical documentation.

OEM spacers ensure the exact tolerances required for automated welding, where precise torch alignment is critical for consistent weld quality and repeatability.

The spacer is manufactured to ESAB's industrial standards, typically using durable materials designed to withstand the mechanical pressure of mounting and the welding environment.

No, this is sold as an individual spacer component. The mounting bracket itself is usually sold separately or as part of a larger assembly.

The spacer is placed within the mounting bracket clamp before inserting the torch or tightening the assembly, ensuring it sits flush and provides the necessary grip.

It is designed specifically for the ST-21 geometry. While it acts as a shim, it is not a universal adapter and should only be used for its intended specific application.