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发明名称
Countersink with disposable insert
摘要
A countersink utilizes standard, inexpensive inserts for cutting. Thus the tool never needs sharpening. The inserts may be mounted at several locations on the tool, providing a versatile tool that can handle a wide range of hole sizes.
申请公布号
US4591302(A)
申请公布日期
1986.05.27
申请号
US19840643163
申请日期
1984.08.22
申请人
LOVENDAHL, NORMAN H.
发明人
LOVENDAHL, NORMAN H.
分类号
B23B51/10;(IPC1-7):B23B51/10
主分类号
B23B51/10
代理机构
代理人
主权项
地址
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