1) round-top countersunk head rivet
浅凸头埋头
2) slotted shallow raised ocuntersunk head screw
有槽浅凸壮头埋头螺钉
3) shallow countersunk head
浅埋头
4) recessed shallow raised countersunk head tapping screw
十字槽浅凸头埋头自攻螺钉
5) raised countersunk head screw
凸头埋头螺钉
6) countersunk flat nib bolt
带凸肩埋头螺栓
补充资料：凸凸囊囊
1.犹鼓鼓囊囊。
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