FIELD: construction.
SUBSTANCE: expansion bolt comprises polymeric fastening member made of a rod provided with longitudinal opening and locking member made of nail with head. The rod is made of the head zone having pressing plate at its end and main zone. The locking member is set in the longitudinal opening in the rod for permitting the head to be placed in the head zone and the body, in the main zone of the rod. The ends of the head are made of two disks whose cylindrical surfaces are in a contact with the cylindrical surface of the longitudinal opening in the head zone of the rod. The head is provided with finning ribs connected with the disk ends. The cylindrical sides of the disks are provided at least with one chamfering or one longitudinal groove.
EFFECT: enhanced reliability of panel junction and simplified assembling of the bolt.
5 dwg
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