Bossweld TIG Back Cap O-Ring, 9/17/18/20/26 Series

Bossweld TIG Back Cap O-Ring, 9/17/18/20/26 Series fits 9, 17, 18, 20 and 26 series TIG torches.

The back cap O-ring seals the back cap against the torch head so shielding gas does not leak out of the rear. A worn or flattened O-ring is a common cause of gas leaks and porosity.

Where this product is used

• TIG welding where the back cap has to seal against gas leaks
• Replacing a worn, flattened or cracked O-ring
• Keeping spares on hand with your back caps

Features

• O-ring for 9, 17, 18, 20 and 26 series TIG torches
• Type: O-ring
• Torch fit: 9, 17, 18, 20 and 26 series TIG torches
• Part number: 9598W77

Key specifications

Choosing the right option

Match the O-ring to your torch series and replace it whenever you replace the back cap or find a gas leak at the rear of the head.

Matching parts for the same torch series: Bossweld Alumina Cup Size 4, 6.0mm, 9/20 Series (Pack of 2), Bossweld Gas Lens Alumina Cup Size 7, 11.0mm, 17/18/26 Series (Pack of 2), Bossweld Collet 1.6mm, 17/18/26 Series (Pack of 5), Bossweld Collet Body 0.5 and 1.0mm, 17/18/26 Series (Pack of 5).