panhead
n. 截锥头；（铆钉或螺钉的）盘形头
例句
Top view of panhead slotted screw.
圆头一字槽螺钉的俯视图。
Top view of panhead slotted screw. Selection box represents thread diameter.
平头一字槽螺钉的俯视图。选择框代表螺纹直径。
