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. Cf. machine bolt, machine screw .
[ 1880-85 ]
CAP SCREW
Meaning of CAP SCREW in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012