JPS6384807A - ドリル - Google Patents

ドリル

Info

Publication number
JPS6384807A
JPS6384807A JP22867586A JP22867586A JPS6384807A JP S6384807 A JPS6384807 A JP S6384807A JP 22867586 A JP22867586 A JP 22867586A JP 22867586 A JP22867586 A JP 22867586A JP S6384807 A JPS6384807 A JP S6384807A
Authority
JP
Japan
Prior art keywords
drill
groove
cutting
heel
sub
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.)
Granted
Application number
JP22867586A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0369646B2 (enrdf_load_html_response
Inventor
Kohei Matsumoto
公平 松本
Yoshio Nakahara
中原　良雄
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to JP22867586A priority Critical patent/JPS6384807A/ja
Publication of JPS6384807A publication Critical patent/JPS6384807A/ja
Publication of JPH0369646B2 publication Critical patent/JPH0369646B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP22867586A 1986-09-26 1986-09-26 ドリル Granted JPS6384807A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22867586A JPS6384807A (ja) 1986-09-26 1986-09-26 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22867586A JPS6384807A (ja) 1986-09-26 1986-09-26 ドリル

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP22867486A Division JPS6268213A (ja) 1986-09-26 1986-09-26 ドリル

Publications (2)

Publication Number Publication Date
JPS6384807A true JPS6384807A (ja) 1988-04-15
JPH0369646B2 JPH0369646B2 (enrdf_load_html_response) 1991-11-01

Family

ID=16880050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22867586A Granted JPS6384807A (ja) 1986-09-26 1986-09-26 ドリル

Country Status (1)

Country Link
JP (1) JPS6384807A (enrdf_load_html_response)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025608A (ja) * 1983-07-19 1985-02-08 Masao Kubota ツイストドリル

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6025608A (ja) * 1983-07-19 1985-02-08 Masao Kubota ツイストドリル

Also Published As

Publication number Publication date
JPH0369646B2 (enrdf_load_html_response) 1991-11-01

Similar Documents

Publication Publication Date Title
EP0761352B1 (en) A roll-forged drill bit
EP1694458B1 (en) Twist drill
EP2913131B1 (en) Small-diameter drill
CN107073597B (zh) 钻头及使用该钻头的切削加工物的制造方法
CN111093871B (zh) 钻头
EP3733334A1 (en) Drill
JPH08155713A (ja) ツイストドリル
US5176476A (en) Router cutting bit
WO2021074958A1 (ja) ドリル
JPS6056809A (ja) ドリル
JPWO2008050389A1 (ja) ドリル
JP2008142834A (ja) ドリル
JP3337804B2 (ja) エンドミル
JP2018176360A (ja) 回転切削式穴あけ工具
JP2001121332A (ja) ツイストドリル
JPS6384807A (ja) ドリル
JPH05261612A (ja) ドリル
JP2003136319A (ja) 刃先交換式ツイストドリル
WO2012053090A1 (ja) ３枚刃ドリル
JP2623304B2 (ja) サーメット製ツイストドリル
JP2022142055A (ja) ドリル
JPH10315021A (ja) ドリル
JPS64167B2 (enrdf_load_html_response)
JP2003094220A (ja) 穴明け工具
JPH02237711A (ja) ツイストドリル

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term