Tweco 1260-1420 Mig Welding Nozzle Standard 5/8 Inch Bore

Product Description

The TWECO 1260-1420 is a standard MIG welding nozzle built for the 26 Series torch, designed for light to medium duty welding applications up to 180 amperes. This three-piece nozzle assembly consists of a nozzle housing cut and formed from 122 DHP copper alloy tubing, a nozzle insert machined from solid brass with internal threads matched to the gas diffuser, and a G7 silicone nozzle insulator that provides electrical insulation without requiring a separate insulator component. The tapered nozzle design threads directly onto the gas diffuser. The part number is roll-stamped on the outside surface for easy field identification.

This nozzle is suited for residential and light commercial welding environments where 26 Series MIG torches are in use. It fits typical wire feed welding setups operating within the 180 amp duty range, making it appropriate for general fabrication, maintenance, and repair work. Licensed welding professionals and shop technicians performing MIG welding operations are the primary installers of this component.

Key Features

• Rated for light to medium duty welding up to 180 amperes
• Three-piece construction: 122 DHP copper alloy housing, solid brass insert, G7 silicone insulator
• Tapered design threads directly onto gas diffuser — no additional insulator required
• 5/8 inch bore diameter for consistent shielding gas coverage
• Part number roll-stamped on exterior surface for quick identification
• Sold individually (each)

Compatibility

Designed as a direct-fit replacement nozzle for TWECO 26 Series MIG welding torches operating up to 180 amperes.

Installation Notes

Installation is typically performed by a qualified welding technician or MIG torch service professional. Before replacing the nozzle, disconnect the welding machine from its power source and allow the torch to cool completely. Thread the nozzle onto the gas diffuser by hand until snug, taking care not to cross-thread the brass insert. Inspect the G7 silicone insulator for damage before returning the torch to service.

Technical Specifications

• Bore Diameter: 5/8 inch
• Maximum Amperage: 180 amperes
• Nozzle Series: 26 Series
• Nozzle Type: Standard Tapered
• Housing Material: 122 DHP Copper Alloy
• Insert Material: Solid Brass
• Insulator Material: G7 Silicone
• Length: 1.1 inches
• Width: 1.6 inches
• Height: 1.1 inches
• Weight: 0.14 pounds
• Sold As: Each
• UPC: 608246058924

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1260-1420