Package Price:
$9,479.12/1 Per EaUsually ships within 3-5 business days
The Lincoln Electric K386 Narrow Gap Deep Groove Nozzle is a highly specialized consumable engineered for the rigorous demands of heavy industrial fabrication. Designed specifically to accommodate 3/32-inch (2.4 mm) diameter welding wire, this nozzle addresses the unique challenges associated with welding thick-walled steel plates. In applications involving narrow gap joint preparations—often characterized by nearly parallel-sided grooves—standard nozzles frequently fail to provide adequate physical access or shielding gas coverage. The K386 solves this by utilizing a streamlined geometry that extends reach without compromising the electrical isolation or gas flow dynamics required for a sound weld.
Narrow gap welding is a critical technique in sectors such as power generation, heavy vessel fabrication, and structural steel construction. By reducing the bevel angle, fabricators can significantly decrease the volume of weld metal required, thereby reducing heat input, residual stress, and distortion. However, this technique requires precision equipment. The K386 nozzle is manufactured to strict tolerances to ensure it can navigate these deep, narrow channels without arcing against the sidewalls, a common issue that can damage equipment and compromise weld integrity. Its robust construction is capable of withstanding the high radiant heat generated during the deposition of heavy 3/32-inch wire.
As a genuine Lincoln Electric component, the K386 ensures compatibility and performance consistency. It is typically a made-to-order item, reflecting its status as a specialized tool for specific engineering requirements rather than a general-purpose consumable. For welding engineers and fabrication managers planning procedures for heavy-section steel, integrating the K386 nozzle into the welding procedure specification (WPS) ensures that operators have the correct tooling to execute deep groove welds efficiently and in compliance with quality standards.
Key Technical Specifications:
| Additional Information |
|---|
| Brand:Lincoln Electric |
| Packaging Description:1 Per Ea |
| Wire Diameter:3/32 in (2.4 mm) |
| Application:Deep Groove Welding, Narrow Gap Welding, Thick-Walled Steel Plate |
| Compatible Material:Steel |
| Product Type:Nozzle |
