JPS6317604Y2 - - Google Patents

Info

Publication number
JPS6317604Y2
JPS6317604Y2 JP1983082600U JP8260083U JPS6317604Y2 JP S6317604 Y2 JPS6317604 Y2 JP S6317604Y2 JP 1983082600 U JP1983082600 U JP 1983082600U JP 8260083 U JP8260083 U JP 8260083U JP S6317604 Y2 JPS6317604 Y2 JP S6317604Y2
Authority
JP
Japan
Prior art keywords
groove
tip
chip discharge
wall surface
discharge groove
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
JP1983082600U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193613U (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 JP8260083U priority Critical patent/JPS59193613U/ja
Publication of JPS59193613U publication Critical patent/JPS59193613U/ja
Application granted granted Critical
Publication of JPS6317604Y2 publication Critical patent/JPS6317604Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP8260083U 1983-05-31 1983-05-31 超硬ドリル Granted JPS59193613U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8260083U JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8260083U JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Publications (2)

Publication Number Publication Date
JPS59193613U JPS59193613U (ja) 1984-12-22
JPS6317604Y2 true JPS6317604Y2 (en]) 1988-05-18

Family

ID=30212555

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8260083U Granted JPS59193613U (ja) 1983-05-31 1983-05-31 超硬ドリル

Country Status (1)

Country Link
JP (1) JPS59193613U (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0627285Y2 (ja) * 1987-06-22 1994-07-27 東芝タンガロイ株式会社 鑞付け式の超硬ドリル

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5414089A (en) * 1977-07-05 1979-02-01 Caterpillar Mitsubishi Ltd Drill with chip breaker for high hardness
JPS5943244B2 (ja) * 1978-01-31 1984-10-20 良祐 細井 チゼルなし渦巻き刃ドリル
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
JPS59193613U (ja) 1984-12-22

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