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These glue-in bolts, ~10 years old, broke with a tap of a hammer.  Notice the sharp edges and granular surface at the break.   There's no ductile (pulled taffy) material which indicates they were completely cracked through before being struck.
ID 109736371 ·

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John Byrnes
Nov 21, 2014
These glue-in bolts, ~10 years old, broke with a tap of a hammer. Notice the sharp edges and granular surface at the break. There's no ductile (pulled taffy) material which indicates they were completely cracked through before being struck.  

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