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Auger drill
01
broca helicoidal, verruma
a drill bit with a spiral-shaped blade used for drilling deep holes in wood, soil, or other soft materials
Exemplos
He borrowed an auger drill from the hardware store to drill through the dense concrete floor.
Ele pegou emprestada uma broca helicoidal da loja de ferragens para perfurar o denso piso de concreto.



























