FIELD: mechanical engineering. SUBSTANCE: self-drilling fastening member has body with a working surface and drilling insert. The insert is made up as a plate and secured in the slot at the end of the body. The end of the plate that is received in the slot is provided with one or several lateral cuts, grooved or hollows along. The hollows may be provided on both sides mirror-symmetrical or shifted to each other. The cross-section of the hollows is cylindric. The sides of the plate adjacent to the sides in the zone of the hollows are provided with chutes. The body has side lags bounding the slot. The edges of one or both lags are pressed into the hollows. EFFECT: enhanced reliability. 7 cl, 4 dwg
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