The press consists of two rigid heads that are held together by the two A-36 steel 1/2 -in.-diameter rods. A 6061-T6 solid aluminum cylinder is placed in the press and the screw is adjusted so that it just presses up against the cylinder. Determine the angle through which the screw can be turned before the rods or the specimen begin to yield. The single- threaded screw on the bolt has a lead of 0.01 in. The lead represents the distance the screw advances along its axis for one complete turn of the screw.

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-12 in. 10 in. 2 in.