Tweco 1260-1601 Slip-on Copper Welding Nozzle 3/8 in Bore

Product Description

The TWECO 1260-1601 is a self-insulated slip-on copper welding nozzle designed for use with standard EL-series gas diffusers in MIG welding applications. It features a 3/8 inch (0.375 inch) bore and an overall length of 3.138 inches with a 0.875 inch OD. Rated for light to medium duty welding up to 250 amps, this nozzle uses a 3-piece construction that eliminates the need for a separate insulator. The nozzle housing is cut and formed from 122 DHP copper alloy tubing, the insert is machined from solid brass and crimped in place, and the insulator is constructed from G7 silicone material. The part number is roll-stamped on the exterior for quick identification. Sold as 2 per pack.

This nozzle is suited for light to medium duty MIG welding environments where reliable gas coverage and electrical insulation from the gas diffuser are required. The recessed contact tip relationship of 0.125 to 0.156 inches makes it well-suited for higher heat applications, tack welding, spot welding, and stitch welding where the nozzle may contact the workpiece. It threads onto the standard EL gas diffuser and slides over the metal spring that is integral to the diffuser assembly. Welding technicians working on production, fabrication, or maintenance welding tasks up to 250A will find this nozzle a direct-fit consumable.

Key Features

• 3-piece design eliminates need for a separate insulator
• Nozzle housing formed from 122 DHP copper alloy tubing for conductivity and durability
• Solid brass insert machined and crimped in place for secure fitment over gas diffuser spring
• G7 silicone nozzle insulator provides electrical insulation from the gas diffuser
• Recessed tip relationship (0.125 to 0.156 inches) suited for tack, spot, and stitch welding
• Part number roll-stamped on exterior surface for fast identification
• Sold as 2 per pack

Compatibility

Designed for use with standard EL-series gas diffusers. Compatible with the EL22I configuration and fits MIG welding setups rated up to 250 amps that accept a slip-on nozzle with a 3/8 inch bore.

Installation Notes

Installation is performed by qualified welding technicians or maintenance personnel. Disconnect and de-energize the welding power source before replacing nozzle consumables. Slide the nozzle over the gas diffuser spring until seated; no additional insulator is required with this 3-piece design. Inspect the gas diffuser for wear or spatter buildup before installing a new nozzle to ensure proper gas flow and electrical isolation.

Technical Specifications

• Bore Size: 0.375 inches
• Nozzle Length: 3.138 inches
• Outside Diameter: 0.875 inches
• Recessed Tip Relationship: 0.125 to 0.156 inches
• Maximum Amperage Rating: 250 A
• Nozzle Housing Material: 122 DHP Copper Alloy
• Insert Material: Solid Brass
• Insulator Material: G7 Silicone
• Package Dimensions: 3.1 x 0.9 x 0.9 inches
• Weight: 0.18 pounds
• Sold As: 2 per pack
• UPC: 608246004730

Standard Information

• Brand: TWECO
• Manufacturer Part Number: 1260-1601