1) slotted screw
有槽螺钉
2) slotted round-head screw
有槽半圆头螺钉
3) slotted capsatn screw
有槽绞盘螺钉
4) slotted countersunk-head screw,slotted countersunk head tapping screw
有槽埋头螺钉
5) slotted shalllow-head screw
有槽浅埋头螺钉
6) slotted countersunk head screw,slotted shallow-head screw
有槽浅头螺钉
补充资料：半圆
①圆的直径的两个端点把圆周分成两条弧，每一条弧叫做半圆。②半圆（弧）和直径所围成的平面。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条