the outer thread fasteners

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load power factor No head, only at both ends of the outer thread fasteners. Connection, one end of which must be screwed into the part with an inner threaded bore, the other end passes through the parts with a hole, and then screw on the nut, even if these two parts into a fastening connection see overall. This form of connection is called the stud connection, belong to the detachable connection. Mainly used is connected to the thickness of the one of the parts is larger, claim a compact structure, or demolition frequent occasions, inappropriate use of the screw connections.load power