| 摘要 |
<p>According to the invention, a drilling tool includes: a motor (18); a transmission drive unit for transmitting a rotation force of the motor to rotate a drill bit (26); and a dust collector (10) for collecting dust produced from a workpiece drilled by the drill bit, characterized in that the dust collector is provided with a pierced portion pierced by the drill bit, a dust collection port (11) for sucking the produced dust and its surrounding air, and a blowoff port (20) for blowing air against a vicinity of the piercing drill bit.</p> |
