FIELD: machine building.
SUBSTANCE: invention relates to excavating attachments, namely to fasteners of excavating attachments for fastening on buckets, blades and other working members. The excavating attachment penetrator includes an external surface forming a front edge, and a backside surface counter to the front edge. The excavating attachment penetrator contains an internal hollow opened through the backside surface. The internal hollow has a lock cavity, located below it. The lock cavity is has a lock hole. The lock hole faces from the lock cavity towards the external surface of the excavating attachment. The excavating attachment penetrator has a groove located below of the internal hollow. One side of the groove is located at the backside surface, and the opposite side is located at the lock cavity.
EFFECT: perfected design.
15 cl, 31 dwg
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