The Introduction Of The Principle Of Round Head Bolt
   The ball-and-bolt connection has the advantages of simple construction, good performance, detachability, fatigue resistance, and no looseness under dynamic load. It is a promising connection method. The ball studs are tightened with special wrenches to create a large and controlled pre-tension of the bolts. Through the nuts and pads, the same amount of pre-stress is applied to...
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