| 6521 12 21WP2 Stem adapter Liquifit Ø12mm x R1/2 | 6521 12 21WP2 | 12 | External thread BSPT (R) | | €3.15/piece |
| Stud Fitting, 6521 08 13WP2, LIQUIfit Series, Straight, External thread BSPT (R), 1/4 Thread, 8 mm Tube OD | 6521 08 13WP2 | 8 | External thread BSPT (R) | | €1.67/piece |
| 6521 06 10WP2 Stem adapter Liquifit Ø6mm x R1/8 | 6521 06 10WP2 | 6 | External thread BSPT (R) | | €1.61/piece |
| Stud Fitting, 6521 08 10WP2, LIQUIfit Series, Straight, External thread BSPT (R), 1/8 Thread, 8 mm Tube OD | 6521 08 10WP2 | 8 | External thread BSPT (R) | | €1.67/piece |
| Stud Fitting, 6521 10 21WP2, LIQUIfit Series, Straight, External thread BSPT (R), 1/2 Thread, 10 mm Tube OD | 6521 10 21WP2 | 10 | External thread BSPT (R) | | €3.15/piece |
| Stud Fitting, 6521 10 13WP2, LIQUIfit Series, Straight, External thread BSPT (R), 1/4 Thread, 10 mm Tube OD | 6521 10 13WP2 | 10 | External thread BSPT (R) | | €2.02/piece |
| Stud Fitting, 6521 12 17WP2, LIQUIfit Series, Straight, External thread BSPT (R), 3/8 Thread, 12 mm Tube OD | 6521 12 17WP2 | 12 | External thread BSPT (R) | | €2.04/piece |
| Stud Fitting, 6521 10 17WP2, LIQUIfit Series, Straight, External thread BSPT (R), 3/8 Thread, 10 mm Tube OD | 6521 10 17WP2 | 10 | External thread BSPT (R) | | €1.81/piece |
| Stud Fitting, 6521 08 17WP2, LIQUIfit Series, Straight, External thread BSPT (R), 3/8 Thread, 8 mm Tube OD | 6521 08 17WP2 | 8 | External thread BSPT (R) | | €1.81/piece |
| Stud Fitting, 6521 06 13WP2, LIQUIfit Series, Straight, External thread BSPT (R), 1/4 Thread, 6 mm Tube OD | 6521 06 13WP2 | 6 | External thread BSPT (R) | | €1.67/piece |
| Stud Fitting, 6521 06 17WP2, LIQUIfit Series, Straight, External thread BSPT (R), 3/8 Thread, 6 mm Tube OD | 6521 06 17WP2 | 6 | External thread BSPT (R) | | €2.75/piece |