-
公开(公告)号:US20220288703A1
公开(公告)日:2022-09-15
申请号:US17637705
申请日:2020-07-28
发明人: Peter Raber , Jürgen Deeg , Patrick Kammerer , Dennis Köhler
IPC分类号: B23B51/06
摘要: The invention relates to single-lip drills in which two longitudinal grooves are formed in the rake face. They are arranged in the longitudinal direction of the tool, spaced apart from one another by a ridge and favor chip breaking.