JPH0362714U - - Google Patents

Info

Publication number
JPH0362714U
JPH0362714U JP12371689U JP12371689U JPH0362714U JP H0362714 U JPH0362714 U JP H0362714U JP 12371689 U JP12371689 U JP 12371689U JP 12371689 U JP12371689 U JP 12371689U JP H0362714 U JPH0362714 U JP H0362714U
Authority
JP
Japan
Prior art keywords
drill
groove
tip
drill body
groove drill
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.)
Pending
Application number
JP12371689U
Other languages
English (en)
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 JP12371689U priority Critical patent/JPH0362714U/ja
Publication of JPH0362714U publication Critical patent/JPH0362714U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第1図乃至第4図は本考案の実施例を示すもの
で、第1図は正面図、第2図は側面図、第3図は
別の実施例の正面図、第4図はその側面図、第5
図は従来の三枚刃ドリルの正面図、第6図はその
側面図である。 1……ドリル本体、5……凹所、6……給油孔

Claims (1)

  1. 【実用新案登録請求の範囲】 ドリル本体1の外周部に設けた3個以上の切
    屑排出溝2,2,2を有する多溝ドリルにおいて
    、ドリル本体1の先端中心部に凹所5を形成した
    ことを特徴とする多溝ドリル。 請求項1記載の多溝ドリルにおいて、先端部
    に軸芯よりずれて偏心した給油孔7を穿設した給
    油孔付き多溝ドリル。
JP12371689U 1989-10-23 1989-10-23 Pending JPH0362714U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12371689U JPH0362714U (ja) 1989-10-23 1989-10-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12371689U JPH0362714U (ja) 1989-10-23 1989-10-23

Publications (1)

Publication Number Publication Date
JPH0362714U true JPH0362714U (ja) 1991-06-19

Family

ID=31671682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12371689U Pending JPH0362714U (ja) 1989-10-23 1989-10-23

Country Status (1)

Country Link
JP (1) JPH0362714U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004039525A1 (ja) * 2002-11-01 2004-05-13 Kabushiki Kaisha Miyanaga ドリルビット
JPWO2017034032A1 (ja) * 2015-08-27 2017-08-24 株式会社ビック・ツール 3枚刃ドリル

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137513A (ja) * 1982-02-12 1983-08-16 ヘルマン・ビルツ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コムパニイ 穿孔具
JPS61977U (ja) * 1984-06-06 1986-01-07 富士化学紙工業株式会社 特性要因図作成用紙

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58137513A (ja) * 1982-02-12 1983-08-16 ヘルマン・ビルツ・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツング・ウント・コムパニイ 穿孔具
JPS61977U (ja) * 1984-06-06 1986-01-07 富士化学紙工業株式会社 特性要因図作成用紙

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004039525A1 (ja) * 2002-11-01 2004-05-13 Kabushiki Kaisha Miyanaga ドリルビット
US7137462B2 (en) 2002-11-01 2006-11-21 Kabushiki Kaisha Miyanaga Drill bit
JPWO2017034032A1 (ja) * 2015-08-27 2017-08-24 株式会社ビック・ツール 3枚刃ドリル

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