self-tapping screws

listen to the pronunciation of self-tapping screws
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Определение self-tapping screws в Английский Язык Английский Язык словарь

self-tapping screws
plural form of self-tapping screw
self-tapping screw
A screw, with a hardened thread, that forms its own internal thread when driven into a relatively soft material (such as sheet metal)
self-tapping screws
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