Abstract: A structural connection means comprising a block structure having a plurality of outer faces and a hollow interior compartment. An aperature is provided in each of the faces and communicates with the hollow interior. A recessed portion is provided at the outer end of each aperature and is in communication with each of the faces. The recesses are adapted to receive a closure plug. Each of the aperatures is adapted to receive a threaded stud bolt which is adapted to be connected to structural members to secure the same to the connector block. Modified forms of the block are also disclosed adapted to provided different means for securing the studded thread bolt to the structural member.