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Countersink bit
01
broca avellanadora, fresa para avellanar
a specialized drill bit with a tapered end used to create a conical recess at the top of a drilled hole, allowing screws or fasteners to sit flush with or below the surface of the material
Ejemplos
He used the countersink bit to create a hole where the screw could sit perfectly, avoiding any sharp edges.
Usó la broca avellanadora para crear un agujero donde el tornillo pudiera encajar perfectamente, evitando bordes afilados.
