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reamer bolt

Function: The front thread is connected, and the rear end has no thread to position. The hinged hole bolts are connected, and the diameter of the screw portion is the same as the basic size between the holes, and is a transition fit (not a clearance fit). When there is relative sliding between the connected parts, the shearing action of the bolt itself is used to prevent its movement, so only a small pre-tightening force is required, and the structure using the frictional force under the vibration load condition should be used. Bolts (forced by the shape of the part).