Cross linkage for profile bars.

(57) A summary and the purpose The horizontal bonding link for combining the forming rod of each other right-angled can be used enough regardless of the cross section of the forming rod which should be connected, and without moreover reducing joint reliability, it improves so that structure expense can be made small. Composition The symmetrical axis line of the support component 16 of a cylinder type is arranged in same axle at the symmetrical axis line of the penetration hole 19 for the joint screw bolt 14, Support so that it may become the self タッピン screw thread 21 which the screw thread formed in the perimeter side 20 of the support component of a cylinder type cuts deeply into the material of a forming rod, and the outer diameter D of a component is made to suit to the cross section Q of the undercut された Nagate groove 10 of a forming rod, and And a らて cage, It has horizontal 切欠 23 which forms the cutting edge 22 in the range of the screw thread of a support component.