1. a hardened screw that cuts threads in the pieces it secures and that is used in materials which would otherwise require a separate tapping operation or the use of a nut
tapping screw 例句
英汉例句
to analyze corresponding relation between waster appearing in the course of producing of tapping screw and quality of steel.
分析自攻螺钉生产过程出现的废品与钢质量的对应关系。
the tip of the self tapping screw which aligns the channel bar is directly rotated with a screw by a screw driver.
将自攻螺丝的尖端对準沟槽用起子直 接旋压螺丝即可。
use the tapping screw fix the board on the sub-keel and do the treatment of the sean connection.
将板用自攻钉固定在次龙骨上,并做好接缝处理。
a section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.