Tweco 1240-1882 Heavy Duty Mig Welding Nozzle 0.75 in Bore

Product Description

The TWECO 1240-1882 is a heavy-duty MIG welding nozzle engineered under the Velocity2a platform, designed to reduce tool dependency and thread-related failures common with standard MIG consumables. It features a 0.75-inch bore and a single-thread design that pairs brass threads on the nozzle with hardened stainless steel threads on the gooseneck. This soft-against-hard thread combination resists seizing and cross-threading. The stainless threads on the gooseneck are heat-treated for long service life. Licensed welding professionals and fabrication shops use this nozzle as a direct replacement in compatible MIG gun assemblies.

This nozzle is suited for MIG welding applications in both production and maintenance environments. The Velocity2a design addresses a known pain point with conventional MIG consumables by cutting the number of thread sets from two or three down to one. This simplifies nozzle removal and replacement, reduces downtime during consumable changes, and maintains a consistent positional relationship between the nozzle opening and the contact tip. It is sold individually and is appropriate for use in light industrial and heavy fabrication settings.

Key Features

• Single-thread design eliminates extra thread sets found on conventional MIG nozzles, reducing seizing and cross-threading
• Brass nozzle threads mate against heat-treated stainless steel gooseneck threads for a secure, no-loosen fit
• 0.75-inch bore diameter for consistent shielding gas coverage
• Tool-free removal and installation reduces consumable changeover time
• Heavy-duty construction rated for demanding MIG welding applications
• Fixed threaded configuration maintains consistent flushness between nozzle opening and contact tip

Compatibility

Designed as an OEM-style replacement nozzle for compatible Tweco Velocity-platform MIG gun assemblies.

Installation Notes

Installation and replacement of MIG nozzles should be performed by a qualified welder or welding equipment technician. Disconnect or power down the welding machine before changing consumables. Allow the nozzle to cool fully before handling to avoid burns or distortion of the brass threads. Inspect the gooseneck threads for wear or damage before installing a new nozzle.

Technical Specifications

• Bore Diameter: 0.75 inches
• Length: 2.25 inches
• Width: 1 inch
• Weight: 0.3 pounds
• Thread Material (Nozzle): Brass
• Thread Material (Gooseneck): Heat-treated stainless steel
• Unit of Measure: Each
• Minimum Order Quantity: 1

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1240-1882