Gu device idea for a sliding rod forming in particular a bolt component The device comprises a tube (12) intended to receive a sliding rod (14) and having a first open end (12A) and a washer (20) fixed to the first open end. The washer has a flat annular portion (20A) disposed across the first open end and an inner skirt portion (20B) which is connected to the inner radial edge (20'A) of the flat annular portion and which extends to inside the tube (12). Figure for the abstract: Fig. 5 .
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