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11401301 - Tweco 14T-30 Contact Tip 0.030-Inch (Pack of 25)

Packaging: pack of 25
$5.25/EA $63.00/pack of 25 only $2.52/EASave 52%

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SKU: TWE1140-1301 Categories: , ,

OVERVIEW

Reliable Performance with Tweco 14T-30 Contact Tips

For industrial fabrication shops and professional welders, consistency is key. The Tweco 14T-30 Contact Tip (Part Number 1140-1301) is the industry standard for 0.030-inch (0.8mm) welding wire applications. Designed to fit the ubiquitous Tweco No. 2, No. 3, and No. 4 MIG guns, as well as the Spray Master series, these tips are a staple in manufacturing environments across North America. This package contains 25 genuine Tweco contact tips, ensuring your shop remains stocked and downtime is minimized.

Precision Engineering for Stable Arcs

The contact tip is the final point of electrical transfer to the welding wire, making its quality critical for arc stability. Tweco manufactures the 14T-30 using a high-grade copper alloy that offers an optimal balance of electrical conductivity and wear resistance. The bore is precision-drilled to tight tolerances, ensuring the 0.030" wire feeds smoothly without excessive play. This tight tolerance reduces micro-arcing inside the tip, which is a common cause of burn-back and premature tip failure. By maintaining a consistent electrical connection, these tips help produce cleaner welds with less spatter.

Standard Duty 14 Series Compatibility

The "14 Series" designation refers to the physical dimensions and threading of the tip, which utilizes a standard 1/4"-28 UNF thread. This makes the 14T-30 compatible with a vast array of gas diffusers, including the standard 52 and 52-23 series diffusers found on classic Tweco guns. Whether you are running a manual MIG setup or a semi-automatic production line, these standard-duty tips provide the reliability needed for mild steel and stainless steel applications.

Optimized for Production

In high-volume welding operations, consumable changeovers are inevitable. However, using inferior generic tips can lead to frequent stoppages due to wire jamming or erratic arcs. Genuine Tweco consumables are manufactured to strict quality control standards to ensure every tip in the box performs identically. The 25-pack configuration is designed for the professional user, offering better value and inventory control for busy workshops.

  • Part Number: 1140-1301 (14T-30)
  • Wire Compatibility: 0.030" (0.8mm)
  • Material: Copper Alloy
  • Thread: 1/4"-28 UNF
Additional Information
Brand:Tweco
Item:Contact Tip
Wire Size:0.030"
Packaging Description:pack of 25
Series:14 Series
Material:Copper Alloy
Thread Size:1/4"-28 UNF
Tip Type:Standard Duty
Compatible Guns:Tweco No. 2, Tweco No. 3, Tweco No. 4, Spray Master 250, Spray Master 350, Spray Master 450

INCLUDED

  • 25 x Tweco 14T-30 Contact Tips (0.030")

APPLICATIONS

  • General Fabrication
  • Automotive Repair
  • Light to Medium Structural Steel
  • Farm and Ranch Welding
  • Maintenance and Repair Operations (MRO)

FAQ

The 14T-30 is designed specifically for 0.030" (0.8mm) welding wire.

These tips fit Tweco Classic No. 2, No. 3, and No. 4 guns, as well as Tweco Spray Master 250, 350, and 450 guns. They also fit many other brands that use Tweco 14-series style consumables.

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

No, the "T" in 14T-30 stands for Standard Duty. For heavy-duty applications, Tweco offers the 14H series, though the 14T is sufficient for most standard amperage ranges.

This SKU (11401301) contains a package of 25 contact tips.

They are generally the same; "14T" designates the standard Tweco design. Some older nomenclatures might just say 14-30, but 1140-1301 is the current part number for the standard duty version.

While physically possible if the size matches, aluminum wire usually requires a slightly oversized tip (e.g., using a 0.035" tip for 0.030" aluminum wire) due to thermal expansion. Specific aluminum tips (14A series) are recommended for best results.