The invention relates to a self undercut anchor, which belongs to the technical field of fastening pieces.
本发明涉及一种自切底锚栓，属于紧固件技术领域。
Main products:After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.
主营产品：后扩底机械锚栓、自切底机械锚栓、切扩一体式机械锚栓、扩孔钻头。
Main products: After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.
主营产品：后扩底机械锚栓、自切底机械锚栓、扩孔钻头。
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