M18 x 1 male vs M22 x 1 male / 15/16-27: specs compared
Updated 05 September 2026.
22 mm
M22 x 1 male / 15/16-27 wins on major diameter
On major diameter, M22 x 1 male / 15/16-27 leads: 22 mm versus 18 mm.
| Spec | M18 x 1 male | M22 x 1 male / 15/16-27 |
|---|---|---|
| Designation | M18 x 1 male | M22 x 1 male / 15/16-27 |
| Major diameter | 18.0 mm | 22.0 mm |
| Threads per inch / pitch | 1 mm pitch | 27 |
| Thread form | fine parallel | fine parallel |
| Seals on | washer inside the aerator housing | washer inside the aerator housing |
Questions and answers
Which has the higher major diameter, M18 x 1 male or M22 x 1 male / 15/16-27?
On major diameter, M22 x 1 male / 15/16-27 leads: 22 mm versus 18 mm.
How do M18 x 1 male and M22 x 1 male / 15/16-27 compare?
On major diameter, M22 x 1 male / 15/16-27 leads: 22 mm versus 18 mm.