3/4"-11.5NH vs M22 x 1.5 (14 mm): specs compared
Updated 05 September 2026.
26.99 mm
3/4"-11.5NH wins on major diameter
On major diameter, 3/4"-11.5NH leads: 26.99 mm versus 22 mm.
| Spec | 3/4"-11.5NH | M22 x 1.5 (14 mm) |
|---|---|---|
| Designation | 3/4"-11.5NH | M22 x 1.5 (14 mm) |
| Major diameter | 26.99 mm | 22.0 mm |
| Threads per inch / pitch | 11.5 | 1.5 mm pitch |
| Thread form | straight (parallel), 60 degree | parallel, metric |
| Seals on | flat washer or O-ring in the female coupling | O-ring on the 14 mm spigot |
Questions and answers
Which has the higher major diameter, 3/4"-11.5NH or M22 x 1.5 (14 mm)?
On major diameter, 3/4"-11.5NH leads: 26.99 mm versus 22 mm.
How do 3/4"-11.5NH and M22 x 1.5 (14 mm) compare?
On major diameter, 3/4"-11.5NH leads: 26.99 mm versus 22 mm.