IBFM Art. 754 Cerniera 3D a scomparsa (montaggio interno porta)Informazioni aggiuntive Heavy duty hinge with ball bearings suitable for many different profiles. Suitable to be installed on heavy doors, security doors, fire and smoke proof doors, entrance doors. The installation process is made easy thanks to the insertion from the backside of the frame. The installation is performed thanks to M8 screws, counterplates and eventually rivet nuts. In order to obtain more carrying capacity is possible to use more than