Drill bit for PCB
作者： Il Soung Yoon , Sun Joong Ryu , Han Kim , Seung Hyun Cho
DOI:
关键词:
摘要: Disclosed is a drill bit for making hole through stacked PCBs includes part formed with drilling edges on an outer surface thereof and brought into contact the PCBs, that is, workpiece in which to make hole; reamer rear end of having at least one reaming edge finishing shank mounted machine tool.
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