JPS6158245B2 - - Google Patents

Info

Publication number
JPS6158245B2
JPS6158245B2 JP1108879A JP1108879A JPS6158245B2 JP S6158245 B2 JPS6158245 B2 JP S6158245B2 JP 1108879 A JP1108879 A JP 1108879A JP 1108879 A JP1108879 A JP 1108879A JP S6158245 B2 JPS6158245 B2 JP S6158245B2
Authority
JP
Japan
Prior art keywords
helical groove
shank
groove
chips
cutting edge
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
JP1108879A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55106710A (en
Inventor
Toshiaki Hosoi
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP1108879A priority Critical patent/JPS55106710A/ja
Publication of JPS55106710A publication Critical patent/JPS55106710A/ja
Publication of JPS6158245B2 publication Critical patent/JPS6158245B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP1108879A 1979-02-01 1979-02-01 Drill Granted JPS55106710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1108879A JPS55106710A (en) 1979-02-01 1979-02-01 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1108879A JPS55106710A (en) 1979-02-01 1979-02-01 Drill

Publications (2)

Publication Number Publication Date
JPS55106710A JPS55106710A (en) 1980-08-15
JPS6158245B2 true JPS6158245B2 (en, 2012) 1986-12-10

Family

ID=11768221

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1108879A Granted JPS55106710A (en) 1979-02-01 1979-02-01 Drill

Country Status (1)

Country Link
JP (1) JPS55106710A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211106A3 (de) * 1985-08-03 1987-09-02 HAWERA Präzisionswerkzeuge GmbH Mehrlippenbohrer
SE502255C2 (sv) * 1991-12-16 1995-09-25 Sandvik Ab Borr med spånkanaler, innefattande en första och en andra spånmatande zon, med olika tvärsnitt
US9199315B2 (en) 2000-06-02 2015-12-01 Kennametal Inc. Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill
DE10027544A1 (de) * 2000-06-02 2001-12-13 Kennametal Inc Bohrerspitze für einen Spiralbohrer und Verfahren zum Herstellen einer Spannut im Bereich einer Bohrerspitze für einen Spiralbohrer

Also Published As

Publication number Publication date
JPS55106710A (en) 1980-08-15

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