for steel tubes with outer diameter 8 mm and internal diameter 4 mm, with olive ring.
Pipe connection seal with cutting ring in acc. with ISO 8434-1 / DIN 2353. Sealing of external thread with sealing edge in acc. with DIN 3852-2 Form B. External thread can also be sealed with a copper seal in acc. with DIN 7603 Form A, making multiple use of the threaded bore possible.
Warning: Do not use Teflon tape! Copper seal 1/4 order no. 69823