TIG Back Caps:

Back caps come in 3 sizes:

  • Long (default size).
  • Medium.
  • Small.
TIG Welding Gun - Back Caps
TIG Welding Gun – Back Caps

The back cap applies pressure on the collet. This holds the Tungsten electrode in place.

A new Tungsten electrode is normally about 7″ (175mm) long. As the Tungsten electrode gets shorter, you can change the back cap to a smaller size. A smaller back cap allows the TIG torch to be used where space is restricted. So keep some shorter Tungsten electrodes back for this purpose, rather than using them up completely.

Notes:
  • Make sure the back cap fits your particular TIG torch before purchasing.

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