The new PHI welded corner connector sets newstandards in joining technology. The innovativediagonal expansion system firmly and absolutelyevenly secures the reinforcement on all foursurfaces.The maximum clamping surface delivers up to 50 %improved torsional performance. At the same time,a single corner connector covers up to two differentreinforcement sizes—including open profi les.A clear advantage over conventional solutions.In door production this means: faster processing,more secure connections, and long-term benefi ts.The result delivers lasting performance: a highlyresilient, durable structure that withstands evenextreme forces, sustainably optimizing yourentrance doors. Anyone who values quality,effi ciency, and safety cannot overlook this weldedcorner connector.