发明名称 Removable countersink bit
摘要 A removable countersink bit comprises a body, a flange, at least one clamp, and a plurality of cutting teeth. The removable countersink bit creates countersink holes for receiving manhole fixtures and the like.
申请公布号 US8025466(B2) 申请公布日期 2011.09.27
申请号 US20080152772 申请日期 2008.05.16
申请人 HUNT MARTY D 发明人 HUNT MARTY D.
分类号 B23B51/05 主分类号 B23B51/05
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