Countersink bit
01
埋头钻头, 锥形钻头
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
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
countersink bits
例子
To ensure the screw sits flat against the surface, I used a countersink bit before driving it in.
为了确保螺丝与表面平齐,我在拧入之前使用了沉头钻头。



























