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KP2121-2 - Lincoln Electric KP2121-2 Outgoing Guide Tube 1/16-5/64 in

Packaging: 1 Per Ea
$450.88/EA $290.26/1 Per Ea only $290.26/EASave 36%

Usually ships within 3-5 business days

OVERVIEW

Optimize Your Wire Feeder with the KP2121-2 Outgoing Guide Tube

The Lincoln Electric KP2121-2 is a specialized Outgoing Guide Tube Assembly designed to facilitate the feeding of heavy-gauge welding wires. Compatible with wire diameters of 1/16 inch, 5/64 inch, and 0.068 inch (1.6 mm to 2.0 mm), this component plays a pivotal role in the drive roll system. As the wire is pushed by the drive rolls, it requires precise guidance to enter the liner and gun cable without buckling. The KP2121-2 provides this support, acting as a rigid conduit that contains the wire immediately after it leaves the drive mechanism.

In high-amperage welding scenarios where thicker wires are standard, the mechanical stress on feeding components is significant. A worn or incorrect guide tube can cause the wire to wander, leading to erratic feeding speeds and unstable arcs. This genuine Lincoln Electric replacement part is built from durable materials to withstand the abrasion of continuous wire passage. It is specifically designed to match the geometry of Lincoln wire feeders, ensuring perfect alignment with the drive rolls and the outgoing connection point.

Maintenance of the wire drive system is often overlooked until a failure occurs. Proactively replacing the outgoing guide tube when changing wire sizes or when wear is detected is a simple step that yields major reliability improvements. The KP2121-2 is essential for welders utilizing large diameter flux-cored or metal-cored wires, where feeding resistance can be higher. Ensure your equipment operates at peak performance by installing the correct guide tube assembly for your specific wire size requirements.

Additional Information
Brand:Lincoln Electric
Packaging Description:pack of 1
Part Type:Guide Tube Assembly
Position:Outgoing
Wire Diameter Compatibility:1/16 in (1.6 mm), 5/64 in (2.0 mm), 0.068 in (1.7 mm)
Compatible Brand:Lincoln Electric

INCLUDED

  • (1) Outgoing Guide Tube Assembly

APPLICATIONS

  • Heavy Industrial Fabrication
  • Structural Steel Welding
  • Flux-Cored Arc Welding (FCAW)
  • Metal-Cored Arc Welding (MCAW)
  • Shipbuilding and Heavy Equipment Repair

FAQ

The KP2121-2 is designed for wire diameters of 1/16 inch (1.6 mm), 5/64 inch (2.0 mm), and 0.068 inch (1.7 mm).

This is an outgoing guide tube assembly, meaning it guides the wire as it leaves the drive rolls and enters the gun cable.

Using the correct size ensures the wire is properly supported, preventing buckling, bird-nesting, and feeding issues, especially with larger diameter wires.

Guide tubes should be inspected regularly and replaced when they show signs of wear, such as grooving or elongation of the bore, or when switching to a wire size not supported by the current tube.

Yes, the KP2121-2 is a genuine Lincoln Electric OEM replacement part.

It is not recommended. Using a guide tube significantly larger than the wire can lead to poor alignment and feeding instability. You should use the specific guide tube designed for those smaller diameters.

A worn outgoing guide tube can cause wire misalignment, increased friction, and potential shaving of the wire, leading to liner clogs and erratic arc performance.