JPH0536564Y2 - - Google Patents

Info

Publication number
JPH0536564Y2
JPH0536564Y2 JP11191487U JP11191487U JPH0536564Y2 JP H0536564 Y2 JPH0536564 Y2 JP H0536564Y2 JP 11191487 U JP11191487 U JP 11191487U JP 11191487 U JP11191487 U JP 11191487U JP H0536564 Y2 JPH0536564 Y2 JP H0536564Y2
Authority
JP
Japan
Prior art keywords
drill
stepped
diameter portion
groove
small 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
JP11191487U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6420211U (zh
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 JP11191487U priority Critical patent/JPH0536564Y2/ja
Publication of JPS6420211U publication Critical patent/JPS6420211U/ja
Application granted granted Critical
Publication of JPH0536564Y2 publication Critical patent/JPH0536564Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP11191487U 1987-07-23 1987-07-23 Expired - Lifetime JPH0536564Y2 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11191487U JPH0536564Y2 (zh) 1987-07-23 1987-07-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11191487U JPH0536564Y2 (zh) 1987-07-23 1987-07-23

Publications (2)

Publication Number Publication Date
JPS6420211U JPS6420211U (zh) 1989-02-01
JPH0536564Y2 true JPH0536564Y2 (zh) 1993-09-16

Family

ID=31350382

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11191487U Expired - Lifetime JPH0536564Y2 (zh) 1987-07-23 1987-07-23

Country Status (1)

Country Link
JP (1) JPH0536564Y2 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0621604Y2 (ja) * 1987-09-18 1994-06-08 三菱マテリアル株式会社 段付きドリル

Also Published As

Publication number Publication date
JPS6420211U (zh) 1989-02-01

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