21552 - ESAB Precision Dowel Pin 0.188 x 0.33 Inch

Precision Alignment for Industrial Equipment

The ESAB 21552 Dowel Pin is a critical mechanical component designed for the precise alignment and assembly of ESAB welding machinery. In the realm of industrial maintenance and repair operations (MRO), the integrity of a machine often relies on the smallest hardware. Dowel pins like this one are engineered to tight tolerances, serving as reference points to locate components relative to one another or to join two or more parts with a high degree of accuracy. This specific pin features a diameter of 0.188 inches and a length of 0.33 inches, dimensions that must be exact to function correctly within the designated assembly.

Manufactured from high-quality steel, this dowel pin is hardened to resist deformation under shear loads. In welding wire feeders, torch mounts, and internal gear mechanisms, vibration and thermal expansion can cause parts to shift if not properly secured. The ESAB 21552 acts as a pivot or stop, absorbing lateral forces that bolts and screws are not designed to handle alone. Using genuine OEM hardware ensures that the metallurgical properties and dimensional accuracy match the original engineering specifications of your ESAB equipment.

When servicing complex welding systems, substituting generic hardware can lead to misalignment, increased wear on moving parts, or even catastrophic failure of the assembly. The chamfered ends of this pin facilitate smooth insertion into reamed holes, preventing damage to the host material during installation. Whether you are rebuilding a drive roll assembly or securing a housing, this dowel pin provides the structural fidelity required for heavy-duty industrial environments.

Key Technical Specifications:

• Diameter: 0.188 inches (Nominal)
• Length: 0.33 inches
• Material: Hardened Steel
• Application: Mechanical alignment and component location