KP2034-3B1 - Lincoln Electric 1/16" Gas Lens Collet Body for 9/20 Series Torches

Precision Gas Shielding for TIG Welding

The Lincoln Electric KP2034-3B1 Gas Lens is a premium consumable designed to enhance the performance of GTAW (TIG) welding operations. Engineered specifically for use with 1/16-inch (1.6 mm) tungsten electrodes, this gas lens collet body replaces standard collet bodies in 9, 20, and 25 series TIG torches. The primary function of this component is to transform the turbulent flow of shielding gas from the torch into a coherent, laminar stream. This is achieved through a multi-layer fine mesh screen integrated into the housing, which organizes the gas molecules into a uniform column.

By stabilizing the gas flow, the KP2034-3B1 significantly improves shielding efficiency, reducing the risk of atmospheric contamination and porosity in the weld pool. This laminar flow characteristic allows welders to extend the tungsten electrode further beyond the nozzle cup—often up to an inch or more depending on conditions—without compromising shield integrity. This capability is critical for accessing tight joints, deep corners, or complex geometries where standard nozzle configurations would fail to provide adequate coverage.

Manufactured to Lincoln Electric's exacting standards, this gas lens ensures consistent electrical conductivity and thermal transfer, helping to keep the torch head cooler during prolonged welding sessions. It is compatible with standard gas lens alumina nozzles (cups) and requires a matching 1/16-inch collet. Whether used in aerospace, motorsports fabrication, or general precision repair, this gas lens is an essential upgrade for achieving high-quality, aesthetically pleasing welds on stainless steel, aluminum, and exotic alloys.