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Tweco HD 22 Series Air Cooled Nozzles for Classic No. 2, Spray Master 250, and Smoke Master 250 MIG guns are self insulated and compatible with HD52 Series Gas Diffusers.

Compatible with Tweco MIG guns:

• Classic No. 2
• Spray master 250
• Smoke Master 250

Features:

• Used in heavy duty welding application up to 250 amperes
• 3-piece nozzle design includes: Nozzle Housing – Cut & Formed from 122 DHP copper alloy tubing, Nozzle Insert – machined from a solid brass allows and is crimped in place to allow the nozzle to slide over a metal spring which is part of the gas diffuser, 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
• 3-piece design – does not require an additional insulator

Specifications:

• Inside Diameter: 1/2″
• Style: Slip-On
• Nozzle/Contact Tip Relationship: 1/8″ – 5/32″ Tip recess
• Outside Diameter: .875″