JPS61201711U - - Google Patents

Info

Publication number
JPS61201711U
JPS61201711U JP8660385U JP8660385U JPS61201711U JP S61201711 U JPS61201711 U JP S61201711U JP 8660385 U JP8660385 U JP 8660385U JP 8660385 U JP8660385 U JP 8660385U JP S61201711 U JPS61201711 U JP S61201711U
Authority
JP
Japan
Prior art keywords
outer circumferential
cutting edge
margin
utility
respect
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
JP8660385U
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 JP8660385U priority Critical patent/JPS61201711U/ja
Publication of JPS61201711U publication Critical patent/JPS61201711U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
図面は本考案の実施例を示し、第1図は第1実
施例に係るドリルの端面図、第2図は第2実施例
に係るドリルの端面図である。 M……マージン、Ma……マージン幅、C……
外周切刃の稜線、D……先端切刃の稜線、E……
第2逃げ面、F……溝、G,G′……外周面、逃
げ面、H……チゼル刃、I……案内突条、Ia…
…外周面。

Claims (1)

    【実用新案登録請求の範囲】
  1. マージンMの外周面4,4′を、外周切刃Cを
    構成する稜線Cに対する逃げ面として構成したこ
    とを特徴とするドリル。
JP8660385U 1985-06-07 1985-06-07 Pending JPS61201711U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8660385U JPS61201711U (ja) 1985-06-07 1985-06-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8660385U JPS61201711U (ja) 1985-06-07 1985-06-07

Publications (1)

Publication Number Publication Date
JPS61201711U true JPS61201711U (ja) 1986-12-18

Family

ID=30638066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8660385U Pending JPS61201711U (ja) 1985-06-07 1985-06-07

Country Status (1)

Country Link
JP (1) JPS61201711U (ja)

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