Tweco 21 Series 21T-37 Nozzle (3/8, Tapered) Tip Recess – 2/pk – 1210-1300

• Easy identification – Part No. rolled stamped on the outside surface

• Tapered nozzle

• 3-piece design – does not require an additonal insulator

• Nozzle threads onto the gas diffuser

• Used in light to medium duty welding application up to 180 amperes

3-piece nozzle design, includes:

• 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 gas diffuser

• Nozzle insulator – made from G7 silicone material, providing the electrical insulation needed from the gas diffuser