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Every welder knows that the contact tip is the final transfer point for welding current, and its condition directly affects the quality of the arc. When you are running heavy 5/64-inch wire, you need a contact tip that can handle the heat and deliver current smoothly without snagging or overheating. The Tweco 14-564 contact tip is the industry standard for a reason—it offers a perfect balance of durability and performance for your Tweco MIG guns. Whether you are welding thick structural beams or repairing heavy machinery, these tips help maintain a stable, crisp arc that puts the metal where you need it.
One of the biggest frustrations on the shop floor is burnback or an erratic arc caused by a worn-out tip. As the bore of a contact tip wears into an oval shape (keyholing), electrical contact becomes intermittent, leading to sputtering and poor weld bead appearance. By keeping a fresh pack of 25 Tweco 14-564 tips in your toolbox, you ensure that you can swap out a worn tip the moment performance drops, keeping your production line moving. These tips are designed to fit the trusty Tweco #2, #3, and #4 guns that are the workhorses of the welding world, so you likely already have the compatible diffusers and nozzles on hand.
Installation is quick and easy with the standard 1/4"-28 thread. Simply unscrew the old tip, check your gas diffuser for any spatter buildup, and thread in the new 14-564 tip. Remember not to overtighten—snug is enough to ensure good electrical flow. The 5/64" size is specific for larger wire diameters often used in flux-cored or high-deposition MIG welding, so having the correct tip size is non-negotiable for feeding performance. Don't let a cheap or worn tip ruin your weld; stick with the proven quality of Tweco 14 Series consumables.
| Additional Information |
|---|
| Brand:Tweco |
| Item:Contact Tip |
| Wire Size:5/64" (2.0 mm) |
| Series:14 Series |
| Packaging Description:25 Per Ea |
| Fits Which Model:Tweco No. 2, Tweco No. 3, Tweco No. 4 |
| Material:Copper Alloy |
| Thread Size:1/4"-28 UNF |
| Length:1.5 in |
| Outer Diameter:0.375" (9.5mm) |
| Bore Size:0.088" (2.2mm) |
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