
The Lincoln Electric KP3989-2 Drive Roll is a critical component for professional welders who demand precision and reliability in their MIG welding operations. Designed to accommodate wire sizes ranging from 3/64 inch to 1/16 inch, this insulated drive roll kit ensures that your filler metal is delivered to the weld pool smoothly and consistently. In industrial environments where downtime equates to lost revenue, using genuine OEM parts like the KP3989-2 is essential for maintaining the efficiency of your wire feeder system.
Lincoln Electric engineers their drive rolls to exact tolerances. The KP3989-2 features precision-machined grooves that grip the welding wire firmly without crushing or deforming it. This is particularly important for the 3/64" to 1/16" size range, which often includes flux-cored or aluminum wires that can be sensitive to feed pressure. By providing optimal traction, these rolls prevent wire slippage and the frustrating "bird-nesting" that can occur at the feeder inlet, ensuring a stable arc and high-quality weld beads.
The "Insulated" designation of the KP3989-2 indicates that these rolls are designed to electrically isolate the wire drive mechanism from the wire itself or the chassis, depending on the specific feeder design. This feature is crucial for preventing stray arcs or electrical shorts within the feeder unit, which could damage sensitive electronics or compromise the safety of the operator. It reflects Lincoln Electric's commitment to safety and equipment longevity.
When you choose the KP3989-2, you are investing in the durability and performance associated with the Lincoln Electric brand. Unlike aftermarket alternatives that may wear out quickly or fit poorly, these drive rolls are built to withstand the rigors of daily industrial use. Regular inspection and replacement of drive rolls are recommended as part of a preventative maintenance schedule to keep your welding operations running at peak performance.
| Additional Information |
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| packaging-description:1 Per Ea |
| ----- new values below ---- |
| Wire Diameter:3/64 in, 1/16 in |
| Product Type:Drive Roll |
| Features:Insulated |
| Brand:Lincoln |
| Packaging Description:1 Per Ea |