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12601286 - Tweco HD26B75 Heavy Duty Brass MIG Nozzle 3/4" Bore (2-Pack)

Packaging: pack of 2
$88.02/EA $84.16/pack of 2 only $42.08/EASave 52%

Usually ships within 3-5 business days

SKU: TWE1260-1286 Categories: , ,

OVERVIEW

Heavy-Duty Performance for Industrial Welding

The Tweco HD26B75 (Stock Code: 1260-1286) is a premium heavy-duty MIG gun nozzle designed for the rigorous demands of industrial fabrication. Sold in a pack of two, these nozzles are engineered to fit Tweco No. 5 and No. 6 MIG guns, which are commonly utilized in high-amperage applications such as structural steel fabrication, heavy equipment manufacturing, and shipbuilding. The "HD" designation signifies a heavy-duty construction, featuring thicker brass walls compared to standard nozzles. This robust design enhances thermal mass, allowing the nozzle to absorb and dissipate heat more effectively during prolonged welding cycles, thereby reducing the risk of overheating and deformation.

The nozzle features a large 0.750-inch (3/4") bore, which is critical for maintaining adequate shielding gas coverage when using large diameter wires or welding at high currents. A wider bore ensures a laminar gas flow, minimizing turbulence and protecting the weld pool from atmospheric contamination. The brass material is chosen for its excellent thermal conductivity and resistance to spatter adhesion, making it easier to clean and maintain over time. Proper nozzle maintenance is essential for weld quality; the HD26B75 is designed to withstand frequent cleaning and reaming without compromising its structural integrity.

Professionals rely on genuine Tweco consumables for their consistency and fit. The HD26B75 threads securely onto the gas diffuser, ensuring concentricity with the contact tip. This alignment is vital for preventing arcing between the tip and nozzle and ensuring the wire feeds directly into the center of the weld joint. Whether you are running solid wire with mixed gas or flux-cored wire with CO2, this heavy-duty nozzle provides the durability and performance required for high-deposition welding.

Additional Information
Item:Nozzle
Brand:Tweco
Packaging:Pack of 2
Packaging Description:pack of 2
Material:Brass
Bore Size:3/4" (19.05 mm)
Series:Heavy Duty (HD)
Part Number:HD26B75
Compatible Guns:Tweco #5, Tweco #6

INCLUDED

  • 2 x Tweco HD26B75 Heavy Duty Brass MIG Nozzles (3/4" Bore)

APPLICATIONS

  • Heavy Equipment Manufacturing
  • Structural Steel Fabrication
  • Shipbuilding and Marine Repair
  • High-Amperage MIG Welding (Spray Transfer)
  • Flux-Cored Arc Welding (FCAW-G)
  • Industrial Pipe Welding

FAQ

This nozzle is designed primarily for Tweco No. 5 and No. 6 series MIG guns, as well as other heavy-duty guns that accept Tweco-style 26 series consumables.

The HD26B75 has a 0.750-inch (3/4") bore opening.

It is manufactured from high-quality brass, which offers excellent heat dissipation and durability.

This product is sold as a package of 2 nozzles.

Heavy-duty nozzles have thicker walls to withstand higher amperages and heat, reducing the chance of melting or deformation during extended welding.

Yes, the large 3/4" bore is ideal for spray transfer modes where high gas flow and broad coverage are required.

The recess on Tweco nozzles is typically determined by the specific insulator and gas diffuser used in conjunction with the nozzle, allowing for some adjustability in tip-to-nozzle relationship.