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3/8" externally-threaded sleeve bolt--one of two removed from atop the Rapture at Lower Gibraltar. This bolt is actually only 5/16" in diameter (even less on the threaded portion).  It has functionally little strength in our soft Central Coast sandstone.
Id# 105839591, 467 x 700px View full size
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3/8" externally-threaded sleeve bolt--one of two removed from atop the Rapture at Lower Gibraltar. This bolt is actually only 5/16" in diameter (even less on the threaded portion). It has functionally little strength in our soft Central Coast sandstone.

Submitted By: Matthew Fienup on Jul 7, 2006
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