13N28 - Weldcraft 13N28 Standard Collet Body for 3/32 Tungsten

Technical Overview of the Weldcraft 13N28 Collet Body

The Weldcraft 13N28 Collet Body is a critical component for precision Gas Tungsten Arc Welding (GTAW), designed to house and secure 3/32-inch (2.4mm) tungsten electrodes. Manufactured from high-grade copper alloy, this component serves two primary functions: it acts as the electrical contact point transferring current from the torch head to the tungsten electrode, and it facilitates the distribution of shielding gas into the ceramic cup. Its dimensional tolerances are engineered to ensure a concentric alignment of the electrode, which is vital for maintaining a stable and focused arc during welding operations.

This standard collet body is part of the 13N series, making it universally compatible with 9, 20, 22, and 25 series TIG torches. Whether utilizing an air-cooled setup (like the WP-9) or a water-cooled system (like the WP-20), the 13N28 provides consistent performance across an amperage range of 125A to 250A. Unlike gas lens collet bodies which utilize mesh screens for laminar flow, this standard body relies on precision-drilled orifices to direct gas flow, making it a robust and cost-effective solution for general fabrication tasks where extended stick-out is not required.

Proper maintenance of the collet body is essential for weld quality. Over time, thermal cycling can cause deformation or thread wear, leading to poor conductivity or gas leakage. The Weldcraft 13N28 is built to withstand substantial thermal stress, ensuring a longer service life and reducing the frequency of consumable replacement in high-production environments.