Top view of countersunk slotted screw.

圆头一字槽螺钉的俯视图。

Top view of countersunk slotted screw.

方头螺钉的俯视图。

Hexalobular socket countersunk head tapping screws.

沉头内六角攻丝螺钉。

Name two head styles of machine screws that are countersunk.

沉头机螺钉有哪两种头型？

Hexagon socket head cap screws with countersunk head screws like.

角紧顶螺钉固定在底座上。