Why turkey has the same name as Turkey

cap screw

a fastener for machine parts, threaded along the whole length of its shank and held by threads tapped in the hole in which it is screwed.
1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for cap screw
  • The top left cap screw was found broken flush with the machined surface of the switch valve.
  • The clapper disc and the clapper hinge arm, including the clapper disc cap screw, shall be bronze or cast iron.
  • Some of the automatic slack adjusters had insufficient torque applied to the guide pawl cap screw.
  • Watertight valve chamber covers shall be fastened to the frame by counter-sunk stainless steel hexagonal-head cap screw.
British Dictionary definitions for cap screw

cap screw

a screwed bolt with a cylindrical head having a hexagonal recess. The bolt is turned using a wrench of hexagonal cross section
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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