JPH0318091Y2 - - Google Patents

Info

Publication number
JPH0318091Y2
JPH0318091Y2 JP1983082601U JP8260183U JPH0318091Y2 JP H0318091 Y2 JPH0318091 Y2 JP H0318091Y2 JP 1983082601 U JP1983082601 U JP 1983082601U JP 8260183 U JP8260183 U JP 8260183U JP H0318091 Y2 JPH0318091 Y2 JP H0318091Y2
Authority
JP
Japan
Prior art keywords
drill
chip discharge
discharge groove
tip
drill 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
JP1983082601U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193614U (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 JP8260183U priority Critical patent/JPS59193614U/ja
Publication of JPS59193614U publication Critical patent/JPS59193614U/ja
Application granted granted Critical
Publication of JPH0318091Y2 publication Critical patent/JPH0318091Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP8260183U 1983-05-31 1983-05-31 超硬ドリル Granted JPS59193614U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8260183U JPS59193614U (ja) 1983-05-31 1983-05-31 超硬ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8260183U JPS59193614U (ja) 1983-05-31 1983-05-31 超硬ドリル

Publications (2)

Publication Number Publication Date
JPS59193614U JPS59193614U (ja) 1984-12-22
JPH0318091Y2 true JPH0318091Y2 (en]) 1991-04-17

Family

ID=30212556

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8260183U Granted JPS59193614U (ja) 1983-05-31 1983-05-31 超硬ドリル

Country Status (1)

Country Link
JP (1) JPS59193614U (en])

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5943247B2 (ja) * 1979-06-25 1984-10-20 三菱マテリアル株式会社 表面被覆超硬合金製ミニチユアドリル
JPS5822283B2 (ja) * 1979-10-02 1983-05-07 三菱マテリアル株式会社 穴明け工具

Also Published As

Publication number Publication date
JPS59193614U (ja) 1984-12-22

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