Patent attributes
Disclosed is a fastening system (10) for fastening two first and second profile bars (16, 18) which have a first and second groove (12, 14) respectively, comprising a fastening body (20) that has feather-key-like first and second projections (30, 32) which extend into first and second groove openings (34, 36) in the assembled state, the projections (30, 32) being provided with first and second screw bores respectively which extend into one of the respective groove openings (34, 36) in jaw-like manner, the respective first and second hammer heads each being freeform heads which impart a twist, the first and second shafts being located partially within the groove openings (34, 36) in the assembled state and first and second noses being arranged approximately diagonally to each other at each hammer head screw (22, 24) at the transition between hammer head and shaft, which noses lie against the jaw-like screw bores (38, 40) in the assembled state so as to inhibit rotation.