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12401242 - Tweco HD24-75 Heavy Duty MIG Nozzle 3/4 Inch Bore (Pack of 2)

Packaging: 2 in a pack
$40.17/ea $38.40/2 in a pack only $19.20/eaSave 52%

In stock

SKU: TWE12401242 Categories: , ,

OVERVIEW

Heavy-Duty Gas Coverage for Industrial Welding

The Tweco HD24-75 Standard MIG Nozzle (Stock Code: 1240-1242) is a premium consumable designed for professional welders who demand reliability and performance under high-heat conditions. Sold in a convenient pack of 2, these nozzles are engineered to fit Tweco Spray Master 450 and Professional Number 4 and 5 MIG guns. The "HD" designation stands for Heavy Duty, indicating a robust construction with thicker walls capable of withstanding the rigors of high-amperage welding without premature failure or deformation.

One of the defining features of the HD24-75 is its large 3/4-inch (19.05 mm) bore size. This wide opening is critical for applications utilizing spray transfer modes or flux-cored wires where a substantial shielding gas envelope is required to protect the molten weld pool from atmospheric contamination. By ensuring a broad and laminar flow of gas, this nozzle helps prevent porosity and ensures high-quality weld deposits on thick plate and structural steel.

Designed to work seamlessly with HD54 Series gas diffusers, the nozzle features a secure threaded connection. This design minimizes gas leaks at the back end and ensures concentric alignment with the contact tip, which is vital for consistent arc performance. The copper alloy material provides excellent thermal conductivity, drawing heat away from the front end to keep the nozzle cooler for longer periods. Whether you are fabricating heavy machinery, structural steel, or performing maintenance in a shipyard, the Tweco HD24-75 provides the durability and gas coverage necessary for defect-free welds.

Key Benefits

  • High Amperage Ready: Built to handle the heat of 400A to 500A welding procedures.
  • Superior Gas Shielding: 3/4" bore ensures complete coverage of large weld pools.
  • Rugged Construction: Heavy-duty copper alloy resists spatter adhesion and deformation.
  • Secure Fit: Threaded interface prevents the nozzle from slipping during operation.
Additional Information
Brand:Tweco
Item:Nozzle
Packaging Description:2 in a pack
Bore Size:3/4" (19.05 mm)
Series:HD24 Heavy Duty
Compatible Diffuser:HD54 Series
Material:Copper Alloy
Connection Type:Threaded

INCLUDED

  • 2 x Tweco HD24-75 Standard MIG Nozzles

APPLICATIONS

  • Heavy Equipment Manufacturing
  • Structural Steel Fabrication
  • Shipbuilding and Marine Repair
  • High-Amperage Spray Transfer Welding
  • Industrial Pipe Welding
  • General Heavy Fabrication

FAQ

The Tweco HD24-75 nozzle has a 3/4-inch (19.05 mm) bore size, which is designed for high-amperage welding requiring a large shielding gas envelope.

This nozzle is designed to be used with Tweco HD54 Series gas diffusers.

This product (SKU 12401242) contains 2 nozzles per pack.

It fits Tweco Spray Master 450 and Professional Series No. 4 and No. 5 MIG guns.

The HD24-75 is a threaded nozzle that screws onto the gas diffuser for a secure fit.

The nozzle is made from a heavy-duty copper alloy designed to withstand high heat and resist spatter adhesion.

A larger 3/4 inch bore is ideal for high-amperage applications, such as spray transfer, where a wider gas coverage is needed to protect the larger weld pool.