TIG Welding Gun (Torch) Parts:

A TIG gun (torch) can have various interchangeable parts fitted. These interchangeable parts (along with the TIG welder controls), enable you to weld a variety of materials, and their different thicknesses.

Some parts are literally consumables, they get eaten up during the welding process. Other parts are consumables, due to wear and heat degradation. These parts may last longer (and only get replaced when worn, or when changing the torch configuration).

Torch parts must match the TIG torch (or the group of torches) being used, (see the article TIG Torch – The Different Types:). Some parts are also dependant on the size of the Tungsten electrode fitted. I.e. if you are using a 1.6mm (1/16″) Tungsten electrode, then the collet and gas nozzle must also be 1.6mm (1/16″).

The image below shows a typical collection of TIG torch parts and how they fit together:

TIG Torch (Gun) Consumables
TIG Torch (Gun) Consumables

More detail on each of the TIG torch consumables can be found by following the links below:

TIG Welding Accessories & Consumables:

Torch Parts: (opens in a new tab)…
Non-Torch Parts: (opens in a new tab)…

Also see the article TIG Welder Consumables.

TIG Tungsten Electrodes:

Tungsten electrodes come in a variety of types and sizes. Which Tungsten electrode you use, may be dependant on what you want to weld? Here is a list of the […]

TIG Gas Cup:

TIG Gas Cups – Names Used: Consumable Names Used TIG Gas Cup Gas Cup Ceramic Cup Shroud Cup Nozzle1 1 The name ‘Nozzle’ is sometimes used incorrectly. It’s more of […]

TIG Heat Shield (Insulator):

The TIG insulator (heat shield) often gets overlooked. But it is often designed to match the type of ceramic cup being fitted. You can use different insulators with different types […]

TIG Collet Body (Gas Lens):

The shielding gas exits the collet body (or gas lens) and fills the gas cup (nozzle) that screws onto the collet body. TIG Collet Body – Names Used: Consumable Names […]

TIG Collets:

A collet holds the Tungsten electrode. When you screw on the back cap, it pushes the collet against the gas nozzle, which squeezes the collet jaws. This makes a good […]

TIG O’Rings:

TIG torch o’rings, are normally found in two places: Topics: TIG Torch O’Ring Properties & Temperature Range: The Viton type o’ring appears to be the most durable type, due to […]

TIG Back Caps:

A TIG back cap is an insulator and: Topics: TIG Back Cap Sizes: Back caps typically come in 3 sizes (related to their length): A new Tungsten electrode is normally […]
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