JPS6142726Y2 - - Google Patents

Info

Publication number
JPS6142726Y2
JPS6142726Y2 JP1981109815U JP10981581U JPS6142726Y2 JP S6142726 Y2 JPS6142726 Y2 JP S6142726Y2 JP 1981109815 U JP1981109815 U JP 1981109815U JP 10981581 U JP10981581 U JP 10981581U JP S6142726 Y2 JPS6142726 Y2 JP S6142726Y2
Authority
JP
Japan
Prior art keywords
cutting edge
tip
edge portion
center
tool body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP1981109815U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5840309U (ja
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10981581U priority Critical patent/JPS5840309U/ja
Publication of JPS5840309U publication Critical patent/JPS5840309U/ja
Application granted granted Critical
Publication of JPS6142726Y2 publication Critical patent/JPS6142726Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP10981581U 1981-07-21 1981-07-21 孔明け工具 Granted JPS5840309U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10981581U JPS5840309U (ja) 1981-07-21 1981-07-21 孔明け工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10981581U JPS5840309U (ja) 1981-07-21 1981-07-21 孔明け工具

Publications (2)

Publication Number Publication Date
JPS5840309U JPS5840309U (ja) 1983-03-16
JPS6142726Y2 true JPS6142726Y2 (en]) 1986-12-04

Family

ID=29904178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10981581U Granted JPS5840309U (ja) 1981-07-21 1981-07-21 孔明け工具

Country Status (1)

Country Link
JP (1) JPS5840309U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60114407A (ja) * 1983-11-24 1985-06-20 Sumitomo Electric Ind Ltd ドリル

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5541242U (en]) * 1978-09-06 1980-03-17

Also Published As

Publication number Publication date
JPS5840309U (ja) 1983-03-16

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