Tweco Professional Self-Insulated Recess Tip Nozzle, 5/8" Tip Size, 122 DHP Copper Alloy, 450 amp, 9/16-18 UNC-2B Connection, 23 Series, 7/8 Inch Outer Diameter x 3.219" Length, 1/8" - 5/32" Recessed, Threaded Style

3-piece nozzle design - does not require an additional insulator Nozzle housing - cut and formed from 122 DHP copper alloy tubing Nozzle insert - machined from a solid brass allow and machining the internal threads to match the conductor tube od threads Nozzle insulator - made from G7 silicone material, providing the electrical insulation needed from the gas diffuser Easy identification - part no rolled stamped on the outside surface Nozzle threads onto the conductor tube assembly Recessed tips are generally used for higher heat applications where longer electrical stick-out is required or in cases where the nozzle may touch the work piece (tack, spot, and stitch) Gas metal arc welding process (air- cooled)