... 9 B-柱与车身的连接 B-柱的焊接组件是采用自攻(flow-drill)螺钉与车身连接的，为了提高强度，尤其是增强绝缘效果（同时也就能避免 接触腐蚀了），还另外进行了粘接。
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自攻螺丝 self tapping screw ; tapping screw ; expansion bolt ; self-tapped screw ; self-tapping screw
自攻螺钉 self tapping screw ; [机] tapping screw ; Tap Screw ; self trequesting screw
不锈钢自攻螺丝 STAINLESS STEEL SELF TAPPING SCREWS
自攻螺纹衬套 ENSAT THREADED INSERTS ; E AT THREADED I ERTS ; ENSAT THREAD INSERT
自攻螺纹 thread forming ; tapping screw thread ; Thread TF ; Kerb Konus
镀锌自攻螺线 Galvanized Steel Self Tapping Screw
自攻钉 Tapping screws ; self-tapping screw ; Self Tapping Self-Drilling Screws ; [医] self threading pin
三角自攻螺丝 TAP TITE
开槽盘头自攻螺钉 slotted pan head tapping screw
自攻干墙螺丝，平头十字槽，钻头，镀锌。
自攻干墙螺丝，十字喇叭头，细纹，钻头，磷化黑色。
Self drywall screws, Phillips bugle head, Fine Thread, Drill point, black phosphated.
试验结果表明：自攻自钻螺钉群连接件具有“群体折减效应”。
The destructive mechanism of self-drilling screws connection is recorded in the test.
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