Definition of twist drill in English:

twist drill


  • A drill with a twisted body like that of an auger.

    ‘His cutting device was a twist drill with point but no spurs.’
    • ‘The angle of the cutting tip on a twist drill is 59 degrees.’
    • ‘Then a gentle touch with a twist drill created a nice radius on the inner surface of the disk.’
    • ‘Drilling can be done with many of the same tools you use for drilling wood or metal, including twist drills, brad point drill bits, spade bits or a hole saw with a pilot bit.’
    • ‘These are not common twist drills but rather single-flute cutters with a channel down the side.’


twist drill

/ˈtwist ˌdril/ /ˈtwɪst ˌdrɪl/