JP2523516Y2 - ツイストドリル - Google Patents

ツイストドリル

Info

Publication number
JP2523516Y2
JP2523516Y2 JP453590U JP453590U JP2523516Y2 JP 2523516 Y2 JP2523516 Y2 JP 2523516Y2 JP 453590 U JP453590 U JP 453590U JP 453590 U JP453590 U JP 453590U JP 2523516 Y2 JP2523516 Y2 JP 2523516Y2
Authority
JP
Japan
Prior art keywords
ridge
twist drill
drill
tip
outer peripheral
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 - Fee Related
Application number
JP453590U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0396113U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
公志 西川
Original Assignee
東芝タンガロイ株式会社
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 by 東芝タンガロイ株式会社 filed Critical 東芝タンガロイ株式会社
Priority to JP453590U priority Critical patent/JP2523516Y2/ja
Publication of JPH0396113U publication Critical patent/JPH0396113U/ja
Application granted granted Critical
Publication of JP2523516Y2 publication Critical patent/JP2523516Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP453590U 1990-01-22 1990-01-22 ツイストドリル Expired - Fee Related JP2523516Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP453590U JP2523516Y2 (ja) 1990-01-22 1990-01-22 ツイストドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP453590U JP2523516Y2 (ja) 1990-01-22 1990-01-22 ツイストドリル

Publications (2)

Publication Number Publication Date
JPH0396113U JPH0396113U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-01
JP2523516Y2 true JP2523516Y2 (ja) 1997-01-29

Family

ID=31508278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP453590U Expired - Fee Related JP2523516Y2 (ja) 1990-01-22 1990-01-22 ツイストドリル

Country Status (1)

Country Link
JP (1) JP2523516Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005198691A (ja) 2004-01-13 2005-07-28 Matsushita Electric Ind Co Ltd 酸素富化機
JP4677722B2 (ja) * 2004-02-13 2011-04-27 三菱マテリアル株式会社 ３枚刃ボールエンドミル
JP4820857B2 (ja) * 2008-11-13 2011-11-24 日進工具株式会社 ドリル
JP6122487B2 (ja) * 2013-04-26 2017-04-26 京セラ株式会社 ドリルおよびそれを用いた切削加工物の製造方法
JP6985569B1 (ja) * 2021-01-27 2021-12-22 住友電工ハードメタル株式会社 ドリル
JP6975353B1 (ja) * 2021-03-16 2021-12-01 ダイジ▲ェ▼ット工業株式会社 ドリル

Also Published As

Publication number Publication date
JPH0396113U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-01

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees