ballpeen hammer


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Related to ballpeen hammer: cross peen hammer

ballpeen hammer

(ˈbɔːlˌpiːn)
n
(Tools) a hammer that has one end of its head shaped in a hemisphere for beating metal, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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There, like a cornerstone, was engraved "G Sims, 1969." During the same month that man first walked on the moon, a 17-year-old kid had carved that inscription with a ballpeen hammer and a file while he was supposed to be fixing a flat tire for a customer.
Since we can't really reach in with a ballpeen hammer and knock them into place, we use the only real tool at our disposal: high cylinder pressures.