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11401168 - Tweco WS14-40 Contact Tip 0.040 Inch (25 Pack)

Packaging: pack of 25
$1.77/EA $31.75/pack of 25 only $1.27/EASave 28%

Usually ships within 3-5 business days

OVERVIEW

Reliable Performance with Tweco WeldSkill 14-40 Tips

Keep your MIG welding operations running smoothly with the genuine Tweco WeldSkill 14-40 Contact Tip. Designed for welders who demand consistency and value, these contact tips are the bridge between your power source and your work. This specific model is engineered for 0.040-inch (1.0mm) wire, a versatile size often chosen for structural work and medium-to-heavy fabrication where precision and deposition rates must be balanced. When you are in the middle of a critical job, the last thing you need is a stuttering arc caused by a worn-out or inferior contact tip. Tweco's WeldSkill series delivers the OEM quality you trust at a price point that makes sense for your bottom line.

The contact tip is one of the most frequently replaced consumables on a MIG gun, and for good reason. It endures extreme heat and constant friction from the moving wire. The Tweco WS14-40 is built from durable copper alloy to resist keyholing (the wearing of the bore into an oval shape), which ensures your wire stays centered and your arc remains directed exactly where you aim. The 14 Series design is an industry standard, fitting the legendary Tweco No. 2, 3, and 4 guns found in shops across the country. Whether you are repairing heavy machinery, fabricating custom gates, or working on automotive frames, these tips provide the electrical conductivity needed for a crisp, stable arc.

Value and Convenience

Sold in a convenient pack of 25, this SKU ensures you have plenty of spares on hand. Running out of tips can halt production instantly, so keeping a box of WS14-40s in your cabinet is a smart move for any serious fabricator. The 25-pack packaging is compact and easy to store, protecting the tips from oxidation until they are ready for use. Upgrade your consumables to Tweco WeldSkill and experience the difference that precision manufacturing makes in your weld quality and wire feed smoothness.

Why Choose Genuine Tweco?

While generic copies exist, genuine Tweco WeldSkill parts are manufactured to strict tolerances. A tip that is drilled too tight will cause drag and bird-nesting at the feeder; a tip drilled too loose will cause erratic arc transfer. Tweco gets it right every time. These tips feature clean threads for easy installation and a smooth internal finish to minimize friction. Don't compromise your weld quality with sub-par consumables—stick with the brand that defined modern MIG welding.

Additional Information
Brand:Tweco
Item:Contact Tip
Packaging Description:pack of 25
Wire Size:0.040" (1.0 mm)
Series:14 Series
Thread Size:1/4"-28 UNF
Material:Copper Alloy
Length:1.5 in
Outside Diameter:0.375" (9.5mm)

INCLUDED

  • 25 x Tweco WeldSkill 14-40 Contact Tips (0.040")

APPLICATIONS

  • General fabrication using 0.040" (1.0mm) mild steel wire.
  • Automotive repair and structural steel welding.
  • Maintenance and repair operations (MRO).
  • Production welding with Tweco No. 2, 3, or 4 MIG guns.
  • Agricultural equipment repair.

FAQ

The WS14-40 is designed specifically for 0.040-inch (1.0mm) welding wire.

These tips fit Tweco Professional No. 2, No. 3, and No. 4 guns, as well as Tweco WeldSkill guns and other MIG guns that utilize standard 14 Series consumables.

The thread size is standard 1/4"-28 UNF.

This package contains 25 individual contact tips.

It is not recommended. Using 0.035" wire in a 0.040" tip may result in poor electrical contact and an unstable arc. You should use a WS14-35 tip for 0.035" wire.

Yes, this is a genuine Tweco WeldSkill product, part number 1140-1168.

They are made from a high-conductivity copper alloy designed for standard welding applications.

These tips typically thread into Tweco 52 (gasless) or 54 (gas) series gas diffusers.