self tapping screw

基本解释

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准沟槽用起子直接旋压螺丝即可。
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It mainly introduces a new joint technology of self—tapping screw, insert joint after injection molding, snap joint, etc.
重点介绍了自攻螺钉连接、模塑后嵌入的嵌件连接，卡入连接等较新的连接技术。
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.
可免钻孔上自攻螺丝并具有高紧固力的型材，属型材的设计制造技术领域。
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