发明名称 Selbstbohrendes und gewindeformendes Verbindungselement
摘要 The present invention relates to a self-drilling and thread-forming connecting element, in particular a screw. The screw comprises a threaded shank including a cylindrical core and a thread formed as a protuberance on the core. The screw also includes an end drilling tip for drilling a core hole for the thread.
申请公布号 DE20004725(U1) 申请公布日期 2000.06.08
申请号 DE2000204725U 申请日期 2000.03.15
申请人 A-Z AUSRUESTUNG UND ZUBEHOER GMBH & CO. KG 发明人
分类号 F16B25/10;F16B33/02;F16B35/04;(IPC1-7):F16B25/00 主分类号 F16B25/10
代理机构 代理人
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