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The Lincoln Electric K2166-3 is a one-piece, air-cooled adapter for GTAW (TIG) welding designed to convert 3/8-inch PRO-Torch PTA-9 and PTA-17 cables to a 5/8-inch power and gas connection. This adapter facilitates the transmission of both shielding gas and welding current through a single cable assembly, allowing for the use of flexible, small-capacity torches with high-output welding machines.
Features
One-piece construction
High-conductivity brass core for electrical stability
Precision threading to prevent shielding gas leaks
Single-cable design for simultaneous gas and power transmission
Industrial-grade material construction
Compatible with PRO-Torch TIG systems
Installation requires standard wrenches
Specifications
Manufacturer: Lincoln Electric
Model Number: K2166-3
Accessory Type: One-Cable Adapter
Cooling Method: Air-cooled
Torch Amperage Capacity: 125 A (PTA-9), 150 A (PTA-17)
Torch Side Connection: 3/8 in-24
Machine Side Connection: 5/8 in-18RH
Core Material: High-conductivity brass
Weight: 1 lb
Packaging: 1 per pack
Compatible Torches: PTA-9, PTA-17, PRO-Torch series
