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The Tweco Style 24A-62-SS MIG Nozzle is a precision-engineered consumable designed for professional welders utilizing Tweco 24A series MIG guns and compatible systems. This nozzle is characterized by its 5/8-inch (15.9 mm) bore and Short Stop configuration, which refers to the specific recess of the contact tip within the nozzle. This recessed tip geometry is crucial for higher amperage applications, as it helps prevent the contact tip from shorting against the workpiece and reduces the accumulation of spatter on the tip face, thereby prolonging consumable life.
Manufactured from 122 DHP (Deoxidized High Phosphorus) copper alloy tubing, this nozzle exhibits superior thermal conductivity. Efficient heat dissipation is vital when welding at currents up to 450 amps, as it prevents the nozzle from overheating and minimizes the adherence of spatter. The alloy is cut and formed to precise tolerances, ensuring a concentric gas flow that stabilizes the arc and provides a laminar shield of gas around the molten weld pool. This results in cleaner welds with less porosity and reduced post-weld cleanup.
The slip-on connection utilizes a friction fit over the standard 34A gas diffuser/insulator. This design eliminates the issues associated with threaded nozzles, such as cross-threading or seizing due to thermal expansion and spatter ingress. The internal surface of the nozzle is smooth, promoting consistent gas velocity and minimizing turbulence. For welders, the "Short Stop" feature also assists in maintaining the correct contact-tip-to-work distance (CTWD), serving as a physical reference point that aids in controlling stick-out and heat input.
Compatible with a broad range of MIG guns found in industrial settings, this nozzle is a direct replacement for the OEM part number 1240-1121. It is ideal for use with flux-cored wires (gas-shielded) and solid wires in spray transfer or globular transfer modes where heat input is significant. By maintaining a cooler front-end assembly, the 24A-62-SS ensures consistent electrical conductivity and gas shielding, critical factors for meeting code-quality weld requirements.
| Additional Information |
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| Brand:Tweco Style |
| Item:Nozzle |
| Amperage:450 A |
| Fits Which Model:Millermatic 300, 350, 350P, 54, 24A, R115 |
| Bore Size:5/8" |
| Material:122 DHP Copper Alloy |
| Connection Type:Slip-On |
| Tip Relationship:Recessed (Short Stop) |
| Series:24A Series |
| Packaging Description:2 in a pack |
