Definition of screw-down in English:

screw-down

adjective

  • Adapted or designed to be closed by screwing.

    ‘the flex is held by a screw-down bar’
    • ‘The inputs are attached to by screw-down terminal blocks and include two ground terminals.’
    • ‘The trouble with this screw-down machine is that the round handle doesn't always give you enough pressure, especially if you are trying to press a lot of bulbs at the same time.’
    • ‘It is best to use a case with screw-down lids, so the solution doesn't leak.’
    • ‘As far as wiring goes, follow the plans for the boards in order to end up with screw-down terminals that are easy to connect to.’
    • ‘Clip-in mount points are used, rather than screw-down hex nuts.’