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Old 11-17-2012, 06:19 PM   #197
disston's Avatar
Joined: Mar 2011
Location: Silver Spring, Md
Oddometer: 10,219
That's a Shade Tree technique to keep bolts from being vibrated loose. Deform the threads and they will grip like glue.
Never memorize something you can look up.
---Albert Einstein

Pay your debt, piratejohn.
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