Fastening for metal frame to wooden support frame of building door or window has projection to fit into groove in wooden frame and holder to engage metal frame

摘要

The fastening (1) for a metal frame (2) to a wooden support frame (3) has a projection to fit into a groove in the wooden frame and a holder to fit into a cut out in the metal frame. The fastening can be attached to the wooden support frame by a fixing screw. There is a neck section (10) between the projection and the holder to fit between the metal frame and wooden support frame.