Package Price:
$130.19/1 of eachUsually ships within 3-5 business days
The Lincoln Electric K2166-1 is a specialized TIG welding accessory designed to facilitate the connection of PTA-26 series torches to power sources with differing output stud sizes. Specifically, this adapter converts the standard 7/8-inch fitting found on PTA-26 one-cable torch assemblies to a 5/8-inch gas and power connection stud commonly found on various Lincoln Electric welding machines. This component is critical for ensuring electrical continuity and gas integrity in air-cooled TIG setups.
Manufactured to strict industrial standards, the K2166-1 is rated for amperages up to 320 A, making it suitable for heavy-duty welding applications where consistent power delivery is essential. The unit is constructed from high-grade conductive materials, typically a brass alloy, which offers superior resistance to thermal stress and oxidation compared to generic alternatives. The adapter features a robust hex-body design, allowing for secure tightening with standard wrenches to prevent loosening during operation, which could otherwise lead to arcing or gas leaks.
In a one-cable system, the power cable also serves as the gas conduit. The K2166-1 effectively manages this dual function by providing a pass-through for shielding gas while simultaneously transmitting welding current from the machine stud to the torch cable. Proper installation of this adapter ensures that the shielding gas flow remains laminar and uncontaminated as it transitions from the machine solenoid to the torch lead. This part is an OEM replacement or upgrade component, ensuring perfect thread engagement and compatibility with PRO-Torch TIG models.
Technical Specifications:
| Additional Information |
|---|
| Brand:Lincoln Electric |
| Item:Adapter |
| Packaging Description:1-per-each |
| Torch Model:PTA-26 |
| Amperage Rating:320 A |
| Input Connection:7/8 in |
| Output Connection:5/8 in |
| Cooling Method:Air Cooled |
