JPH034325B2 - - Google Patents

Info

Publication number
JPH034325B2
JPH034325B2 JP58011938A JP1193883A JPH034325B2 JP H034325 B2 JPH034325 B2 JP H034325B2 JP 58011938 A JP58011938 A JP 58011938A JP 1193883 A JP1193883 A JP 1193883A JP H034325 B2 JPH034325 B2 JP H034325B2
Authority
JP
Japan
Prior art keywords
cutting edge
cutting
shank
drill
center
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
JP58011938A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59142012A (ja
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 JP1193883A priority Critical patent/JPS59142012A/ja
Publication of JPS59142012A publication Critical patent/JPS59142012A/ja
Publication of JPH034325B2 publication Critical patent/JPH034325B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP1193883A 1983-01-26 1983-01-26 ドリル Granted JPS59142012A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1193883A JPS59142012A (ja) 1983-01-26 1983-01-26 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1193883A JPS59142012A (ja) 1983-01-26 1983-01-26 ドリル

Publications (2)

Publication Number Publication Date
JPS59142012A JPS59142012A (ja) 1984-08-15
JPH034325B2 true JPH034325B2 (pm) 1991-01-22

Family

ID=11791589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1193883A Granted JPS59142012A (ja) 1983-01-26 1983-01-26 ドリル

Country Status (1)

Country Link
JP (1) JPS59142012A (pm)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4853679U (pm) * 1971-10-18 1973-07-11

Also Published As

Publication number Publication date
JPS59142012A (ja) 1984-08-15

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