TIG consumable lookup

TIG Back Caps

Back caps seal the rear of the torch and hold tungsten length. Choose short, medium, or long only after the torch family is known.

Find TIG Torch Find My Part

Open the Matching Breakdown

Use the torch family first. The breakdown table is where part numbers and fitment notes live.

WP9 / WP20 Back Caps

Breakdown path

Use the 9/20 breakdown for WP9 and WP20-style back caps.

Open breakdown Alternate torch path

WP17 / WP26 Back Caps

Breakdown path

Use the 17/18/26 breakdown for WP17 and WP26-style back caps.

Open breakdown Alternate torch path

CK Series 2 Back Caps

Breakdown path

Use CK Series 2 for CK9, CK20, CK230, and matching Flex-Loc heads.

Open breakdown

CK Series 3 Back Caps

Breakdown path

Use CK Series 3 for CK17, CK26, CK300, and matching Flex-Loc heads.

Open breakdown

Related TIG Consumables

These are adjacent front-end parts that must match the same torch family.

Cups

Confirm the torch series before ordering cups.

Collets

Confirm the torch series before ordering collets.

Collet Bodies

Confirm the torch series before ordering collet bodies.

Gas Lenses

Confirm the torch series before ordering gas lenses.

Back Caps

Confirm the torch series before ordering back caps.

Need More Help?

If the part does not thread, seat, or grip correctly, stop and confirm the torch family before ordering more consumables. WP9/WP20 and WP17/WP26 front-end parts are different families.