Forstner bit
01
福斯特纳钻头, 福氏钻头
a specialized drill bit with a flat bottom and a cylindrical shape, designed for drilling precise, flat-bottomed holes in wood materials, often used for creating recesses or mortises
例子
The woodworker preferred the Forstner bit over a spade bit because it left cleaner edges.
木匠更喜欢福斯特纳钻头而不是铲形钻头，因为它留下的边缘更干净。
