Tweco 1240-1853 Mig Welding Nozzle 0.75 Inch Bore

Product Description

The TWECO 1240-1853 is a medium-duty MIG welding nozzle designed for use with Tweco Velocity2a torch systems. It features a 0.75-inch bore and a single-thread engagement design that simplifies nozzle changes and reduces the seizing and cross-threading common with standard consumables. The threading system pairs brass threads on the replaceable nozzle against hardened stainless steel threads on the gooseneck. This soft-against-hard combination grips securely without loosening under heat and minimizes damage during removal. Licensed welders and MIG technicians working in light fabrication, production welding, and maintenance environments will find this nozzle a straightforward drop-in replacement.

The 1240-1853 is suited for medium-duty MIG welding applications in both shop and field settings. The Velocity2a platform it belongs to was engineered to address common field complaints about thread damage and the need for tools during nozzle swaps. This nozzle installs without tools, making torch maintenance faster during production runs or service calls. It is appropriate for use on steel, stainless, and general-purpose MIG applications where a flush nozzle profile is required.

Key Features

• 0.75-inch bore diameter for standard MIG shielding gas coverage
• Single-thread engagement reduces complexity versus conventional two- or three-thread consumable designs
• Brass nozzle threads mate against hardened stainless steel gooseneck threads to resist seizing and cross-threading
• Tool-free installation and removal for faster torch maintenance
• Medium-duty construction suitable for sustained production welding cycles
• Fixed threaded design maintains consistent flush relationship between nozzle opening and contact tip

Compatibility

Designed for use with Tweco Velocity2a medium-duty MIG torch systems. Consult your torch documentation to confirm nozzle thread pattern and bore size before installation.

Installation Notes

Nozzle replacement should be performed by a qualified welding technician with the welder powered down and the torch cooled. No tools are required for installation on compatible Velocity2a torches. Inspect the gooseneck threads for spatter buildup or damage before threading on the replacement nozzle. Follow all applicable welding safety standards and the torch manufacturer guidelines during service.

Technical Specifications

• Bore Diameter: 0.75 inches
• Duty Rating: Medium Duty
• Length: 2.11 inches
• Width: 0.95 inches
• Weight: 0.18 pounds
• Unit of Measure: Each
• UPC: 608246434216

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1240-1853