JPS60492U - 拡口ビツト - Google Patents

拡口ビツト

Info

Publication number
JPS60492U
JPS60492U JP19101983U JP19101983U JPS60492U JP S60492 U JPS60492 U JP S60492U JP 19101983 U JP19101983 U JP 19101983U JP 19101983 U JP19101983 U JP 19101983U JP S60492 U JPS60492 U JP S60492U
Authority
JP
Japan
Prior art keywords
adapter
bit
seat
threaded portion
threaded
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.)
Granted
Application number
JP19101983U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6315423Y2 (https=
Inventor
津々木　満
茶木　俊之
寿浦　則夫
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.)
Toho Kinzoku Co Ltd
Original Assignee
Toho Kinzoku Co 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 Toho Kinzoku Co Ltd filed Critical Toho Kinzoku Co Ltd
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 true JPS60492U (ja) 1985-01-05
JPS6315423Y2 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
JPS6315423Y2 (https=) 1988-04-28

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