JPS6144728Y2 - - Google Patents

Info

Publication number
JPS6144728Y2
JPS6144728Y2 JP1983115447U JP11544783U JPS6144728Y2 JP S6144728 Y2 JPS6144728 Y2 JP S6144728Y2 JP 1983115447 U JP1983115447 U JP 1983115447U JP 11544783 U JP11544783 U JP 11544783U JP S6144728 Y2 JPS6144728 Y2 JP S6144728Y2
Authority
JP
Japan
Prior art keywords
drill
chip discharge
carbide
discharge groove
curved surface
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
JP1983115447U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6022212U (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 JP11544783U priority Critical patent/JPS6022212U/ja
Publication of JPS6022212U publication Critical patent/JPS6022212U/ja
Application granted granted Critical
Publication of JPS6144728Y2 publication Critical patent/JPS6144728Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP11544783U 1983-07-25 1983-07-25 超硬ドリル Granted JPS6022212U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11544783U JPS6022212U (ja) 1983-07-25 1983-07-25 超硬ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11544783U JPS6022212U (ja) 1983-07-25 1983-07-25 超硬ドリル

Publications (2)

Publication Number Publication Date
JPS6022212U JPS6022212U (ja) 1985-02-15
JPS6144728Y2 true JPS6144728Y2 (enrdf_load_html_response) 1986-12-16

Family

ID=30266490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11544783U Granted JPS6022212U (ja) 1983-07-25 1983-07-25 超硬ドリル

Country Status (1)

Country Link
JP (1) JPS6022212U (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0333375Y2 (enrdf_load_html_response) * 1985-02-21 1991-07-16

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5822283B2 (ja) * 1979-10-02 1983-05-07 三菱マテリアル株式会社 穴明け工具
JPS5771714A (en) * 1980-10-23 1982-05-04 Toshiba Corp Drill for hard to cutting material

Also Published As

Publication number Publication date
JPS6022212U (ja) 1985-02-15

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