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The anchor is used for heavy fixings into concrete and othermaterials. It hs simplified design ensuring stable fixation in twozones of the hole. The anchor consists of an anchor stem (1) atone of the ends of which there is a threaded part (6) continuingas a conical part (5). A two-side slit bushing (7) is mounted onthe threading, one of the sides of which rests on the conical part(5), and the other on a cone (8) screwed on the threaded part (6).The anchor can also be made in the form of a bolt.2 claims, 2 figures