JPS6113926B2 - - Google Patents

Info

Publication number
JPS6113926B2
JPS6113926B2 JP5443282A JP5443282A JPS6113926B2 JP S6113926 B2 JPS6113926 B2 JP S6113926B2 JP 5443282 A JP5443282 A JP 5443282A JP 5443282 A JP5443282 A JP 5443282A JP S6113926 B2 JPS6113926 B2 JP S6113926B2
Authority
JP
Japan
Prior art keywords
hole
rotating shaft
sphere
chamfering
end surface
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
JP5443282A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58171205A (ja
Inventor
Seiji Hoshino
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.)
Fuji Hooningu Kogyo Kk
Original Assignee
Fuji Hooningu Kogyo Kk
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 Fuji Hooningu Kogyo Kk filed Critical Fuji Hooningu Kogyo Kk
Priority to JP5443282A priority Critical patent/JPS58171205A/ja
Publication of JPS58171205A publication Critical patent/JPS58171205A/ja
Publication of JPS6113926B2 publication Critical patent/JPS6113926B2/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
    • B23B51/10—Bits for countersinking

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
JP5443282A 1982-04-01 1982-04-01 穴端面の面取り工具 Granted JPS58171205A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5443282A JPS58171205A (ja) 1982-04-01 1982-04-01 穴端面の面取り工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5443282A JPS58171205A (ja) 1982-04-01 1982-04-01 穴端面の面取り工具

Publications (2)

Publication Number Publication Date
JPS58171205A JPS58171205A (ja) 1983-10-07
JPS6113926B2 true JPS6113926B2 (cs) 1986-04-16

Family

ID=12970550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5443282A Granted JPS58171205A (ja) 1982-04-01 1982-04-01 穴端面の面取り工具

Country Status (1)

Country Link
JP (1) JPS58171205A (cs)

Also Published As

Publication number Publication date
JPS58171205A (ja) 1983-10-07

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