M24 x 1 female / 55/64-27 vs M22 x 1.5 (14 mm): specs compared
Updated 05 September 2026.
24 mm
M24 x 1 female / 55/64-27 wins on major diameter
On major diameter, M24 x 1 female / 55/64-27 leads: 24 mm versus 22 mm.
| Spec | M24 x 1 female / 55/64-27 | M22 x 1.5 (14 mm) |
|---|---|---|
| Designation | M24 x 1 female / 55/64-27 | M22 x 1.5 (14 mm) |
| Major diameter | 24.0 mm | 22.0 mm |
| Threads per inch / pitch | 27 | 1.5 mm pitch |
| Thread form | fine parallel | parallel, metric |
| Seals on | washer inside the aerator housing | O-ring on the 14 mm spigot |
Questions and answers
Which has the higher major diameter, M24 x 1 female / 55/64-27 or M22 x 1.5 (14 mm)?
On major diameter, M24 x 1 female / 55/64-27 leads: 24 mm versus 22 mm.
How do M24 x 1 female / 55/64-27 and M22 x 1.5 (14 mm) compare?
On major diameter, M24 x 1 female / 55/64-27 leads: 24 mm versus 22 mm.