FIELD: devices designed for removing fastening parts, mainly unidirectional fastening parts. SUBSTANCE: in variants of attachment according to invention attachment includes ring and stem which may be arranged in ring with possibility of motion. Shape of stem provides possibility of engaging with respective portions of head of fastening member. Ring has recess provided with elongated protrusions for engaging with portions of perimeter of head of fastening member. Combined action of stem and ring provides application of additional rotating effort to fastening member for extracting the last independently upon flush- or countersunk mounting of fastening member. EFFECT: possibility for quick mounting of attachments suitable for removing different types of fastening members. 14 cl, 13 dwg _
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