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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%

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SKU: KP2121-2 Categories: ,

OVERVIEW

Reliable Wire Feeding with Lincoln Electric KP2121-2

The Lincoln Electric KP2121-2 Guide Tube Assembly is a critical component designed to ensure the smooth and consistent delivery of welding wire in industrial wire feeder systems. Specifically engineered as an outgoing guide tube, this assembly bridges the gap between the drive rolls and the gun cable, ensuring that the wire remains aligned and supported as it exits the feeder mechanism. This particular model is optimized for larger diameter wires, specifically accommodating sizes 1/16 inch (1.6 mm), 5/64 inch (2.0 mm), and 0.068 inch (1.7 mm), making it an essential part for heavy-duty fabrication and structural welding applications.

Using genuine Lincoln Electric parts like the KP2121-2 is vital for maintaining the performance and longevity of your welding equipment. Generic or ill-fitting guide tubes can lead to wire shaving, increased friction, and the dreaded "bird-nesting" effect, where wire tangles at the drive rolls. This assembly is precision-manufactured to tight tolerances, providing a clean path that minimizes drag and protects the integrity of the wire surface. Whether you are running flux-cored wire or solid MIG wire in these larger diameters, this guide tube ensures that the feeding force is transmitted effectively to the contact tip.

Installation is straightforward, allowing maintenance personnel to swap out worn guides quickly during routine service intervals. Regular inspection and replacement of guide tubes are recommended practices that prevent unexpected downtime. By keeping the wire path clear and dimensionally accurate, the KP2121-2 contributes to stable arc characteristics and high-quality weld deposits. Trust in the durability and engineering of Lincoln Electric to keep your production lines moving efficiently.

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.