To provide a panel installing metal fitting causing no slipping-out from the building frame side by following rotation of the installing metal fitting even if welding work is not performed.

In this panel installing metal fitting, a fixing part integral with a shaft part or restricting rotation is formed on the other end side of the shaft part together with the shaft part for carving a screw on at least one end side, a claw part for intruding in a panel is protrusively formed on the shaft part side in the vicinity of the shaft part of the fixing part, and when fastening a screw part, the claw part is automatically intruded in the panel to prevent the following rotation of the panel installing metal fitting.