JPH0460608U - - Google Patents

Info

Publication number
JPH0460608U
JPH0460608U JP10182290U JP10182290U JPH0460608U JP H0460608 U JPH0460608 U JP H0460608U JP 10182290 U JP10182290 U JP 10182290U JP 10182290 U JP10182290 U JP 10182290U JP H0460608 U JPH0460608 U JP H0460608U
Authority
JP
Japan
Prior art keywords
cutting edge
minor
main cutting
main
chisel part
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
JP10182290U
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 JP10182290U priority Critical patent/JPH0460608U/ja
Publication of JPH0460608U publication Critical patent/JPH0460608U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例に係る構造を有するド
リルの正面図である。第2図は第1図の−矢
視図である。 1……ドリル、2……チゼル部、3……主切刃
、4……副切刃、5……主切溝、6……副切溝、
7……環状切欠部、A……先端、B……基端。

Claims (1)

    【実用新案登録請求の範囲】
  1. チゼル部から外周に至る主切刃と、チゼル部の
    みを残した副切刃と、主切刃から軸方向に延びる
    切屑排出用の主切溝と、チゼル部の近傍で副切刃
    から主切溝に延びて主切溝に合流する副切溝とを
    備えていることを特徴とするドリル構造。
JP10182290U 1990-09-28 1990-09-28 Pending JPH0460608U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10182290U JPH0460608U (ja) 1990-09-28 1990-09-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10182290U JPH0460608U (ja) 1990-09-28 1990-09-28

Publications (1)

Publication Number Publication Date
JPH0460608U true JPH0460608U (ja) 1992-05-25

Family

ID=31845582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10182290U Pending JPH0460608U (ja) 1990-09-28 1990-09-28

Country Status (1)

Country Link
JP (1) JPH0460608U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012110984A (ja) * 2010-11-22 2012-06-14 Union Tool Co 穴明け工具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012110984A (ja) * 2010-11-22 2012-06-14 Union Tool Co 穴明け工具

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