Screw fastening system for non-metallic components comprises metal plate with threaded bore inserted into recess in component with corresponding, non-threaded bore and held in place by spring plate on it which also has corresponding bore

摘要

The screw fastening system for non-metallic components (1) comprises a metal plate (3) with a threaded bore which is inserted into a recess in the component with a corresponding, non-threaded bore (11). The first plate is held in place by a spring plate (13) placed on it which also has a corresponding bore (21). A screw or bolt can then be passed through all the bores.