JPS61134810U - - Google Patents

Info

Publication number
JPS61134810U
JPS61134810U JP1583685U JP1583685U JPS61134810U JP S61134810 U JPS61134810 U JP S61134810U JP 1583685 U JP1583685 U JP 1583685U JP 1583685 U JP1583685 U JP 1583685U JP S61134810 U JPS61134810 U JP S61134810U
Authority
JP
Japan
Prior art keywords
cutting edge
drill
width
kink
degrees
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
JP1583685U
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 JP1583685U priority Critical patent/JPS61134810U/ja
Publication of JPS61134810U publication Critical patent/JPS61134810U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第1図は、本考案のガンドリルの刃先部を示す
正面図および平面図である。第2図は、公知のガ
ンドリルの形状を示す正面図および平面図ならび
にパイプ部の断面図である。 1…刃先部、2…パイプ部、3…シヤンク部、
α…ねぢれ角、β…パツト幅。

Claims (1)

    【実用新案登録請求の範囲】
  1. ドリル刃先部が所定ピツチのねぢれを有してい
    て刃先が正のすくい角を持つと共にパツト部の幅
    が中心角で90°以下に形成されているガンドリ
    ル。
JP1583685U 1985-02-08 1985-02-08 Pending JPS61134810U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1583685U JPS61134810U (ja) 1985-02-08 1985-02-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1583685U JPS61134810U (ja) 1985-02-08 1985-02-08

Publications (1)

Publication Number Publication Date
JPS61134810U true JPS61134810U (ja) 1986-08-22

Family

ID=30502044

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1583685U Pending JPS61134810U (ja) 1985-02-08 1985-02-08

Country Status (1)

Country Link
JP (1) JPS61134810U (ja)

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