A connecting system for wood constructions, having a connecting piece which is a metal plate bent substantially 90°+−5° to form an angle piece, the connecting piece has a row of holes connecting a first wood construction part to a second wood construction part, the two wood construction parts form a substantial right angle, the connecting piece is fastened with a first row of full-thread screws, introduced into the holes at an angle (a) between 60°−85° formed by the screw and the plate in which the holes are arranged, the holes are arranged substantially adjacent the fold with a maximum spacing of 25 mm, the connecting piece is fastened with a second row of nails and/or screws in holes and have a length less than that of the first row of full-thread screws and are introduced substantially perpendicularly into the holes with respect to the corresponding plate.