JPS628973Y2 - - Google Patents

Info

Publication number
JPS628973Y2
JPS628973Y2 JP17557581U JP17557581U JPS628973Y2 JP S628973 Y2 JPS628973 Y2 JP S628973Y2 JP 17557581 U JP17557581 U JP 17557581U JP 17557581 U JP17557581 U JP 17557581U JP S628973 Y2 JPS628973 Y2 JP S628973Y2
Authority
JP
Japan
Prior art keywords
cutting
curved portion
convex curved
concave curved
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
JP17557581U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5880114U (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 JP17557581U priority Critical patent/JPS5880114U/ja
Publication of JPS5880114U publication Critical patent/JPS5880114U/ja
Application granted granted Critical
Publication of JPS628973Y2 publication Critical patent/JPS628973Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP17557581U 1981-11-26 1981-11-26 二枚刃の穴明け工具 Granted JPS5880114U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17557581U JPS5880114U (ja) 1981-11-26 1981-11-26 二枚刃の穴明け工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17557581U JPS5880114U (ja) 1981-11-26 1981-11-26 二枚刃の穴明け工具

Publications (2)

Publication Number Publication Date
JPS5880114U JPS5880114U (ja) 1983-05-31
JPS628973Y2 true JPS628973Y2 (de) 1987-03-02

Family

ID=29967983

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17557581U Granted JPS5880114U (ja) 1981-11-26 1981-11-26 二枚刃の穴明け工具

Country Status (1)

Country Link
JP (1) JPS5880114U (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021151681A (ja) * 2020-03-24 2021-09-30 三菱マテリアル株式会社 ドリル

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008062369A (ja) * 2006-09-11 2008-03-21 Tungaloy Corp 穴あけ工具に取り付けられるチップの製造方法、並びに穴あけ工具の製造方法および穴あけ工具
JP6127341B2 (ja) * 2013-03-01 2017-05-17 住友電工ハードメタル株式会社 ３枚刃ツイストドリル
JP6519971B2 (ja) * 2014-01-16 2019-05-29 三菱日立ツール株式会社 ドリル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021151681A (ja) * 2020-03-24 2021-09-30 三菱マテリアル株式会社 ドリル

Also Published As

Publication number Publication date
JPS5880114U (ja) 1983-05-31

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