JPS6272009U - - Google Patents

Info

Publication number
JPS6272009U
JPS6272009U JP16351285U JP16351285U JPS6272009U JP S6272009 U JPS6272009 U JP S6272009U JP 16351285 U JP16351285 U JP 16351285U JP 16351285 U JP16351285 U JP 16351285U JP S6272009 U JPS6272009 U JP S6272009U
Authority
JP
Japan
Prior art keywords
drilling tool
cutting edges
flank
oil supply
registration request
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.)
Granted
Application number
JP16351285U
Other languages
English (en)
Other versions
JPH0135772Y2 (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 JP16351285U priority Critical patent/JPH0135772Y2/ja
Publication of JPS6272009U publication Critical patent/JPS6272009U/ja
Application granted granted Critical
Publication of JPH0135772Y2 publication Critical patent/JPH0135772Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第1図および第2図はこの考案の穴明け工具の
一実施例を示すもので、第1図は先端部分の側面
図、第2図は先端視図である。 1…ガンドリル(穴明け工具)、2…工具本体
、3,4…切刃部、5…切屑排出溝、6,7…切
刃、8,9…逃げ面、10,11…内部切刃孔。

Claims (1)

    【実用新案登録請求の範囲】
  1. 先端側から基端側へ向けて外径の異なる複数段
    の切刃部が形成されてなるステツプ式の穴明け工
    具において、上記各切刃部の切刃の逃げ面に内部
    給油孔を設けたことを特徴とする穴明け工具。
JP16351285U 1985-10-24 1985-10-24 Expired JPH0135772Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16351285U JPH0135772Y2 (ja) 1985-10-24 1985-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16351285U JPH0135772Y2 (ja) 1985-10-24 1985-10-24

Publications (2)

Publication Number Publication Date
JPS6272009U true JPS6272009U (ja) 1987-05-08
JPH0135772Y2 JPH0135772Y2 (ja) 1989-11-01

Family

ID=31091778

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16351285U Expired JPH0135772Y2 (ja) 1985-10-24 1985-10-24

Country Status (1)

Country Link
JP (1) JPH0135772Y2 (ja)

Also Published As

Publication number Publication date
JPH0135772Y2 (ja) 1989-11-01

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