JPH0621604Y2 - 段付きドリル - Google Patents

段付きドリル

Info

Publication number
JPH0621604Y2
JPH0621604Y2 JP1987142674U JP14267487U JPH0621604Y2 JP H0621604 Y2 JPH0621604 Y2 JP H0621604Y2 JP 1987142674 U JP1987142674 U JP 1987142674U JP 14267487 U JP14267487 U JP 14267487U JP H0621604 Y2 JPH0621604 Y2 JP H0621604Y2
Authority
JP
Japan
Prior art keywords
drill
land
groove
end side
diameter
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 - Lifetime
Application number
JP1987142674U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6450007U (OSRAM
Inventor
伸一 中村
秀司 細野
清美 山田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Materials Corp
Original Assignee
Mitsubishi Materials Corp
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 by Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Priority to JP1987142674U priority Critical patent/JPH0621604Y2/ja
Publication of JPS6450007U publication Critical patent/JPS6450007U/ja
Application granted granted Critical
Publication of JPH0621604Y2 publication Critical patent/JPH0621604Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1987142674U 1987-09-18 1987-09-18 段付きドリル Expired - Lifetime JPH0621604Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987142674U JPH0621604Y2 (ja) 1987-09-18 1987-09-18 段付きドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987142674U JPH0621604Y2 (ja) 1987-09-18 1987-09-18 段付きドリル

Publications (2)

Publication Number Publication Date
JPS6450007U JPS6450007U (OSRAM) 1989-03-28
JPH0621604Y2 true JPH0621604Y2 (ja) 1994-06-08

Family

ID=31408822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987142674U Expired - Lifetime JPH0621604Y2 (ja) 1987-09-18 1987-09-18 段付きドリル

Country Status (1)

Country Link
JP (1) JPH0621604Y2 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019107243A1 (ja) * 2017-11-29 2019-06-06 京セラ株式会社 回転工具
JP6729853B2 (ja) * 2018-08-07 2020-07-29 住友電工ハードメタル株式会社 ドリル

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0536564Y2 (OSRAM) * 1987-07-23 1993-09-16

Also Published As

Publication number Publication date
JPS6450007U (OSRAM) 1989-03-28

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