JPH0532163B2 - - Google Patents

Info

Publication number
JPH0532163B2
JPH0532163B2 JP24082786A JP24082786A JPH0532163B2 JP H0532163 B2 JPH0532163 B2 JP H0532163B2 JP 24082786 A JP24082786 A JP 24082786A JP 24082786 A JP24082786 A JP 24082786A JP H0532163 B2 JPH0532163 B2 JP H0532163B2
Authority
JP
Japan
Prior art keywords
drill
groove
core thickness
blade
cross
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 - Fee Related
Application number
JP24082786A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6393509A (ja
Inventor
Koichiro Wakihira
Michitaka Katsuta
Masayasu Hino
Kohei Matsumoto
Yoshio Nakahara
Toshio Sasayama
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 JP24082786A priority Critical patent/JPS6393509A/ja
Publication of JPS6393509A publication Critical patent/JPS6393509A/ja
Publication of JPH0532163B2 publication Critical patent/JPH0532163B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP24082786A 1986-10-09 1986-10-09 ドリル Granted JPS6393509A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24082786A JPS6393509A (ja) 1986-10-09 1986-10-09 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24082786A JPS6393509A (ja) 1986-10-09 1986-10-09 ドリル

Publications (2)

Publication Number Publication Date
JPS6393509A JPS6393509A (ja) 1988-04-23
JPH0532163B2 true JPH0532163B2 (fi) 1993-05-14

Family

ID=17065286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24082786A Granted JPS6393509A (ja) 1986-10-09 1986-10-09 ドリル

Country Status (1)

Country Link
JP (1) JPS6393509A (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010006797B4 (de) 2010-02-04 2011-12-22 Kennametal Inc. Bohrwerkzeug
DE102010006796B4 (de) 2010-02-04 2011-12-08 Kennametal Inc. Verfahren zur Herstellung eines Bohrers, sowie Bohrer
US9492877B2 (en) * 2011-09-06 2016-11-15 Osg Corporation Drill
EP2774704B1 (en) 2011-11-04 2018-09-26 OSG Corporation Drill
CN102794485B (zh) * 2012-08-24 2014-08-27 深圳市金洲精工科技股份有限公司 一种扁头钻及其加工方法
CN111250762B (zh) * 2020-03-20 2021-02-05 常州机电职业技术学院 一种便于修磨时横刃转点检测的钻头及其制造方法

Also Published As

Publication number Publication date
JPS6393509A (ja) 1988-04-23

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees