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11501235 - Tweco WS15H-564 Heavy Duty Contact Tip 5/64 Inch (Pack of 25)

Packaging: pack of 25
$4.99/EA $89.25/pack of 25 only $3.57/EASave 28%

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OVERVIEW

Reliable Arc Stability with Tweco WeldSkill Tips

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. The Tweco WeldSkill WS15H-564 Contact Tip is built to handle the heat of heavy-duty welding jobs. Designed specifically for 5/64-inch (2.0mm) wire, this tip is a workhorse for those running large diameter wires in high-deposition applications. If you are welding thick plate, structural beams, or heavy machinery, you need a tip that won't fuse or keyhole after just a few feet of bead. The 15H series offers that durability.

The "H" stands for Heavy Duty, and you can feel the difference in the weight of the tip. The thicker walls act as a heat sink, pulling thermal energy away from the wire interface to prevent burnbacks and sticking. This means less downtime changing tips and more time burning wire. The WeldSkill line brings you genuine Tweco quality—known for its precise machining and superior copper alloys—at a price point that makes sense for the everyday welder. The consistent bore diameter ensures that your wire feeds smoothly without wandering, giving you better control over your puddle and bead placement.

This pack of 25 ensures you have plenty of backups in your toolbox or shop cabinet. Compatible with classic Tweco #5 and #6 guns, as well as many other industry-standard guns set up for heavy-duty consumables, the WS15H-564 is a staple for serious fabrication. Don't let a worn-out tip compromise your weld quality; stick with the brand that defined MIG welding accessories.

Features for the Welder

  • Heavy Duty Build: Thicker walls resist overheating and deformation.
  • Smooth Feeding: Precision bore reduces friction and wire drag.
  • Consistent Arc: Superior conductivity for stable voltage transfer.
  • Value Pack: 25 tips per package keeps you stocked up.
Additional Information
Brand:Tweco
Item:Contact Tip
Wire Size:5/64"
Packaging Description:pack of 25
Fits Which Model:N/A
Series:15H Series (Heavy Duty)
Thread Size:3/8"-24 UNF
Material:Copper Alloy
Bore Diameter:0.088" (2.2mm)
Product Line:WeldSkill

INCLUDED

  • 25 x Tweco WeldSkill WS15H-564 Contact Tips (5/64")

APPLICATIONS

  • Structural Steel Fabrication
  • Heavy Equipment Manufacturing
  • Shipbuilding and Marine Repair
  • Flux-Cored Arc Welding (FCAW)
  • General Heavy Fabrication
  • Railcar Manufacturing

FAQ

This contact tip is designed for use with 5/64 inch (approx. 2.0mm) welding wire.

The '15' refers to the Tweco 15 Series of consumables, and the 'H' stands for Heavy Duty, indicating a thicker wall for better heat resistance compared to standard tips.

This package contains 25 individual contact tips.

It depends on your diffuser setup. Typically, No. 4 guns use 14 series tips. The 15H series is larger (3/8"-24 thread) and is standard on Tweco No. 5 and No. 6 guns. You would need a gas diffuser that accepts 15 series tips to use this on a smaller gun.

Yes, 5/64" is a common diameter for flux-cored wires, and the heavy-duty design of the 15H tip is well-suited for the high heat of FCAW applications.

The thread size is 3/8"-24 UNF.

While you can physically use it if the wire size matches, aluminum usually requires slightly oversized tips (e.g., a tip marked for 3/32" might be used for 5/64" aluminum) to accommodate thermal expansion. However, for 5/64" hard wire or flux core, this is the correct tip.