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The Tweco 14H-35 (Stock #1140-1242) is the industry-standard heavy-duty contact tip for .035-inch wire applications. Engineered for durability and electrical efficiency, this contact tip is an essential component for maintaining the reliability of your MIG welding gun. It belongs to the renowned Tweco 14 Series, which is characterized by its robust 3/8"-24 threaded base and substantial copper body, designed to handle higher heat loads than standard light-duty tips.
In MIG welding, the contact tip is the final point of current transfer to the electrode. The 14H-35 is manufactured from high-quality copper alloy to maximize conductivity and minimize resistance heating. This results in a smoother arc and reduced spatter. The internal geometry is strictly controlled to prevent wire drag while ensuring sufficient contact for current transfer. This balance is critical for preventing "burnback"—where the wire fuses to the tip—and ensures smooth wire feeding even in convoluted cable positions.
This tip is specifically designed to mate with Tweco 54A (slip-on nozzle style) and 52FN (threaded nozzle style) gas diffusers. This cross-compatibility allows shops to standardize on one contact tip for multiple gun configurations, simplifying inventory management. Whether you are welding mild steel, stainless, or flux-cored wires, the 14H-35 provides the consistent performance required for code-quality welds.
| Additional Information |
|---|
| Brand:Tweco |
| Item:Contact Tip |
| Wire Size:0.035" |
| Series:14 Series |
| Part Number:14H-35 |
| Compatible Diffusers:54A, 52FN |
| Material:Copper Alloy |
| Thread Size:3/8"-24 |
| Packaging Description:25 in a pack |
