1)fillister head screw,有槽凸头螺钉2)fillister head screw,有槽凸圆头螺钉3)slotted raised countersunk-head screw with full dog point,带销有槽凸头埋头螺钉4)slotted shallow raised ocuntersunk head screw,有槽浅凸壮头埋头螺钉5)slotted raised cheese head tapping screw,有槽凸圆头自攻螺钉6)cheese-head screw,有槽凸圆柱头螺钉