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Tweco-Style MIG Nozzle #4 Heavy Duty Coarse Thread 16mm (2 Pack)

Tweco-Style MIG Nozzle #4 Heavy Duty Coarse Thread 16mm (2 Pack)

Low stock: 1 left

Regular price $38.80 AUD
Regular price $0.00 AUD Sale price $38.80 AUD
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Spatter and heat take their toll on a MIG nozzle before anything else on the torch. This Tweco-style #4 heavy-duty nozzle uses the coarse thread pattern and gives 16mm of gas coverage, which matters more than people think. Too little shielding gas and you get porosity in the weld, and a nozzle clogged with spatter build-up does the same thing even with the gas turned up.

Keep a spare on hand and swap it out the moment it's caked up rather than trying to scrape it clean mid-job. It threads straight onto the matching #4 diffuser and insulator.

Full specs are in the tabs below.

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The technical bits

  • Pattern: Tweco 4 style (heavy duty)
  • Thread: Coarse
  • Bore: 16mm
  • Pack size: 2 nozzles
  • Fits: Matching #4 gas diffuser and insulator

Why it's worth it

  • Full 16mm gas coverage cuts down on weld porosity
  • Coarse thread pattern matches the #4 torch fitting
  • Easy to swap the moment spatter builds up
  • Heavy-duty build holds its shape under sustained heat

Shipping and Returns

We pack and send your order with care, right here from our Strathalbyn store. Most parcels leave within 1-2 business days, and you'll get tracking as soon as it's on the way. If you're local, you can choose click-and-collect or our delivery service at checkout.

If something arrives damaged or not quite right, let us know within 14 days and we'll sort it quickly. You can return unused items in their original condition for a refund or store credit. For safety reasons, we can't accept returns on gas bottles, cut materials, or custom orders.

We're here to make things easy, so if you ever have a question about your delivery or a return, our team is only a call away.

  • Trade-grade, job-tested

    This gear is selected for daily use on real job sites, not light-duty or one-off projects.

  • Right gear, first time

    We help you get the correct product and spec upfront so you’re not redoing work later.

  • In and out fast

    Call ahead and we'll set your order aside so you spend less time at the counter.