JPS6315423Y2 - - Google Patents

Info

Publication number
JPS6315423Y2
JPS6315423Y2 JP19101983U JP19101983U JPS6315423Y2 JP S6315423 Y2 JPS6315423 Y2 JP S6315423Y2 JP 19101983 U JP19101983 U JP 19101983U JP 19101983 U JP19101983 U JP 19101983U JP S6315423 Y2 JPS6315423 Y2 JP S6315423Y2
Authority
JP
Japan
Prior art keywords
bit
adapter
annular
hole
threaded portion
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
JP19101983U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60492U (ja
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 filed Critical
Priority to JP19101983U priority Critical patent/JPS60492U/ja
Publication of JPS60492U publication Critical patent/JPS60492U/ja
Application granted granted Critical
Publication of JPS6315423Y2 publication Critical patent/JPS6315423Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19101983U 1983-12-09 1983-12-09 拡口ビツト Granted JPS60492U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19101983U JPS60492U (ja) 1983-12-09 1983-12-09 拡口ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19101983U JPS60492U (ja) 1983-12-09 1983-12-09 拡口ビツト

Publications (2)

Publication Number Publication Date
JPS60492U JPS60492U (ja) 1985-01-05
JPS6315423Y2 true JPS6315423Y2 (https=) 1988-04-28

Family

ID=30411444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19101983U Granted JPS60492U (ja) 1983-12-09 1983-12-09 拡口ビツト

Country Status (1)

Country Link
JP (1) JPS60492U (https=)

Also Published As

Publication number Publication date
JPS60492U (ja) 1985-01-05

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