JPS6312892Y2 - - Google Patents

Info

Publication number
JPS6312892Y2
JPS6312892Y2 JP1983036118U JP3611883U JPS6312892Y2 JP S6312892 Y2 JPS6312892 Y2 JP S6312892Y2 JP 1983036118 U JP1983036118 U JP 1983036118U JP 3611883 U JP3611883 U JP 3611883U JP S6312892 Y2 JPS6312892 Y2 JP S6312892Y2
Authority
JP
Japan
Prior art keywords
center
rotation
gun drill
blade
cutting
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.)
Expired
Application number
JP1983036118U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59143618U (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 JP3611883U priority Critical patent/JPS59143618U/ja
Publication of JPS59143618U publication Critical patent/JPS59143618U/ja
Application granted granted Critical
Publication of JPS6312892Y2 publication Critical patent/JPS6312892Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP3611883U 1983-03-12 1983-03-12 ２枚刃ガンドリル Granted JPS59143618U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3611883U JPS59143618U (ja) 1983-03-12 1983-03-12 ２枚刃ガンドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3611883U JPS59143618U (ja) 1983-03-12 1983-03-12 ２枚刃ガンドリル

Publications (2)

Publication Number Publication Date
JPS59143618U JPS59143618U (ja) 1984-09-26
JPS6312892Y2 true JPS6312892Y2 (de) 1988-04-13

Family

ID=30166799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3611883U Granted JPS59143618U (ja) 1983-03-12 1983-03-12 ２枚刃ガンドリル

Country Status (1)

Country Link
JP (1) JPS59143618U (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0747245B2 (ja) * 1986-10-21 1995-05-24 三菱マテリアル株式会社 二枚刃ガンドリル

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836018B2 (ja) * 1981-04-06 1983-08-06 日立化成工業株式会社 耐熱性樹脂の製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836018U (ja) * 1981-09-04 1983-03-09 株式会社日本治金 深穴切削用ドリル

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836018B2 (ja) * 1981-04-06 1983-08-06 日立化成工業株式会社 耐熱性樹脂の製造法

Also Published As

Publication number Publication date
JPS59143618U (ja) 1984-09-26

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