<p>In a dowel drill (14) for producing an undercut, a flat guide face (22) is provided radially opposite a cutting edge (26) and leading into a concentric drill point at a conical end face (20) of the dowel drill (14). …<IMAGE>… </p>
申请公布号
DE3819833(C2)
申请公布日期
1998.05.07
申请号
DE19883819833
申请日期
1988.06.10
申请人
DREBO WERKZEUGFABRIK GMBH, 88361 ALTSHAUSEN, DE
发明人
LOHMUELLER, JOHANN, DIPL.-ING., 7980 RAVENSBURG, DE;DREPS, KLAUS, 7963 ALTSHAUSEN, DE
