| Pipe Nut, KQ2E04-00A, KQ2 Series, Bulkhead, External thread (M), 4 mm Tube OD | KQ2E04-00A | 4 | External thread (M) | | €4.59/piece |
| Pipe Nut, KQ2E06-00A, KQ2 Series, Bulkhead, External thread (M), 6 mm Tube OD | KQ2E06-00A | 6 | External thread (M) | | €4.85/piece |
| One Touch Fittings, KQ2E10-00A, KQ2 Series, Straight, External thread (M), M 20x1 Thread, 10 mm Tube OD | KQ2E10-00A | 10 | External thread (M) | | €9.29/piece |
| One Touch Fittings, KQ2E16-00A, KQ2 Series, Bulkhead, External thread (M), M28 Thread, 16 mm Tube OD | KQ2E16-00A | 16 | External thread (M) | | €28.79/piece |
| Bulkhead Union, KQ2E08-00A, KQ2 Series, Bulkhead, External thread (M), 8 mm Tube OD | KQ2E08-00A | 8 | External thread (M) | | €5.85/piece |
| Pipe Nut, KQ2E11-00A, KQ2 Series, Bulkhead, External thread (UNF) | KQ2E11-00A | | External thread (UNF) | | €17.06/piece |
| Bulkhead Union, KQ2E06-00N, KQ2 Series, Bulkhead, M 14x1 Thread, 6 mm Tube OD | KQ2E06-00N | 6 | | | €5.22/piece |
| Bulkhead Union, KQ2E08-00N, KQ2 Series, Bulkhead, M16x1 Thread, 8 mm Tube OD | KQ2E08-00N | 8 | | | €6.26/piece |
| Pipe Nut, KQ2E05-00A, KQ2 Series, Bulkhead, External thread (UNF) | KQ2E05-00A | | External thread (UNF) | | €10.69/piece |
| Pipe Nut, KQ2E23-00A, KQ2 Series, Bulkhead, External thread (M), 3.2 mm Tube OD | KQ2E23-00A | 3.2 | External thread (M) | | €6.51/piece |
| Bulkhead Union, KQ2E04-00N, KQ2 Series, Bulkhead, M 12x1 Thread, 4 mm Tube OD | KQ2E04-00N | 4 | | | €4.90/piece |
| Bulkhead Union, KQ2E10-00N, KQ2 Series, Bulkhead, M 20x1 Thread, 10 mm Tube OD | KQ2E10-00N | 10 | | | €10.13/piece |
| Bulkhead Union, KQ2E12-00A, KQ2 Series, Bulkhead, External thread (M), M 22x1 Thread, 12 mm Tube OD | KQ2E12-00A | 12 | External thread (M) | | €10.65/piece |
| One Touch Fittings, KQ2E13-00A, KQ2 Series, Bulkhead, External thread (UNF) | KQ2E13-00A | | External thread (UNF) | | €20.66/piece |
| One Touch Fittings, KQ2E07-00A, KQ2 Series, Bulkhead, External thread (UNF), 9/16-18 Thread, 1/4" Tube OD | KQ2E07-00A | | External thread (UNF) | | €11.12/piece |