G1/4 vs G2: specs compared
Updated 05 September 2026.
59.614 mm
G2 wins on major diameter
On major diameter, G2 leads: 59.614 mm versus 13.157 mm.
| Spec | G1/4 | G2 |
|---|---|---|
| Designation | G1/4 | G2 |
| Major diameter | 13.157 mm | 59.614 mm |
| Threads per inch / pitch | 19 | 11 |
| Thread form | parallel, 55 degree | parallel, 55 degree |
| Seals on | flat washer or bonded seal on the face | flat washer or bonded seal on the face |
Questions and answers
Which has the higher major diameter, G1/4 or G2?
On major diameter, G2 leads: 59.614 mm versus 13.157 mm.
How do G1/4 and G2 compare?
On major diameter, G2 leads: 59.614 mm versus 13.157 mm.