Jg12 vs CO2 M10: specs compared
Updated 05 September 2026.
6
specs differ
Jg12 and CO2 M10 differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.
| Spec | Jg12 | CO2 M10 |
|---|---|---|
| Designation | 12 mm OD | M10 x 1 mm |
| Size / thread | 12 mm OD tube | M10 x 1 mm metric external thread |
| Fitting form | push-fit collet, metric | small metric disposable CO2 cartridge / DIY welding CO2 |
| Seals on | single O-ring plus a stainless collet grab-ring | seat in the piercer or valve against the cartridge |
| Rating / role | John Guest Speedfit metric fittings for 12mm OD tube | the metric small-cartridge thread used on some soda and DIY CO2 sources |
| Tube OD | 12 mm |
Questions and answers
How do Jg12 and CO2 M10 compare?
Jg12 and CO2 M10 differ on 6 specs: designation, size / thread, fitting form, seals on, rating / role, tube od.