Mach.
a drill with one or more deep helical grooves in the body.
[ 1870-75 ]
TWIST DRILL
Meaning of TWIST DRILL in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012
Mach.
a drill with one or more deep helical grooves in the body.
[ 1870-75 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012