The main function of Ermeto DIN tube to tube high pressure hydraulic tube fittings is to connect different numbers of tubes.
| Part number | G12S |
| Brand | Ermeto |
| Manufacturer | Parker Hannifin |
| Crossreference Parker | G12SCF |
| Material | Steel, Cr(VI)-free |
| Series | Heavy Series |
| Tubesize | 12S - M20×1.5 |
| Tubesize II | 12S - M20×1.5 |
| Hexagonal size mm / inch | 24 |
| Shape | Union - EO 24° cone end |
| Box Qty | 20 |