
The Weldcraft 18GL53 Gas Lens Collet Body is a critical component designed exclusively for the 18SC (Super Cool) and W-400 series water-cooled TIG torches. Engineered to accommodate 5/32-inch (4.0mm) tungsten electrodes, this collet body integrates advanced gas lens technology to deliver superior shielding gas performance in high-amperage applications. Unlike standard collet bodies, the 18GL53 features a multi-layer mesh screen that rectifies the flow of shielding gas, transforming turbulent flow into a coherent, laminar stream. This laminar flow is essential for maintaining a stable arc and protecting the weld pool from atmospheric contamination, particularly when welding reactive metals or working in drafty environments.
Manufactured by Weldcraft (a Miller Electric brand), this component is built to exacting tolerances to ensure optimal electrical conductivity and thermal transfer. The 18SC torch series is renowned for its ability to handle high currents, and the 18GL53 is constructed from high-grade copper alloys to withstand the intense heat generated during heavy fabrication. The gas lens design not only improves weld quality by reducing porosity but also allows for a longer tungsten stick-out. This extended electrode reach provides the operator with significantly better visibility of the weld puddle and arc, facilitating precision in complex joints or tight corners where standard nozzles would obstruct the view.
This product is supplied as a package of 2, ensuring that professional fabricators have a backup on hand to minimize downtime. Proper maintenance of TIG torch consumables is vital for consistent performance; replacing worn or clogged collet bodies with genuine Weldcraft parts restores the torch's efficiency and gas coverage capabilities. Whether used in aerospace, heavy industrial manufacturing, or precision pipe welding, the 18GL53 ensures that your 18SC torch operates at its peak potential.
The 18GL53 is distinct from standard 18-series consumables. It is specifically keyed for the heavy-duty 18SC chassis. Users must ensure they are pairing this body with the correct 18SC-compatible collets and gas lens nozzles (cups) to ensure a proper seal and gas flow. The 4.0mm bore is precision-drilled to hold 5/32" tungsten securely without slipping, ensuring consistent arc starting and stability.
| Additional Information |
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| Brand:Weldcraft |
| Diameter:4.0 mm |
| Item:Collet Body |
| Packaging Description:2-per-ea |
| Torch Compatibility:18SC, W-400 |
| Consumable Type:Gas Lens Collet Body |
| Material:Copper Alloy |
| Cooling Method:Water Cooled |