Qingdao Terada Hardware Co.,Ltd
There is no head, only two ends are outside the thread of a class of fasteners. When connected, it must be screwed into the part with internal screw hole, the other end through the through hole with the parts, and then screw the nut, so that the two parts fastened into a whole. This type of connection is called a stud connection and is a detachable connection. Mainly used for one of the connected parts of a larger thickness, requiring a compact structure, or because of frequent demolition, should not be bolted to the occasion.
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