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3/8" "Drop-In" expansion bolt removed from atop Klingon at Gibraltar rock.  This bolt has functionally no strength in our soft Central Coast sandstone.<br>
ID 105839589

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Matthew Fienup
Jul 7, 2006
3/8" "Drop-In" expansion bolt removed from atop Klingon at Gibraltar rock. This bolt has functionally no strength in our soft Central Coast sandstone.
 
Matthew Fienup
Ventura, CA
Matthew Fienup   Ventura, CA  
The lead expansion expansion sleeve on the bottom of this bolt is 3/8" in diameter. The threaded bolt that screws in to this sleeve is considerably narrower--less than 5/16" in diameter. Sep 29, 2014

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