JPS5989184U - 拡口ビツト - Google Patents

拡口ビツト

Info

Publication number
JPS5989184U
JPS5989184U JP18173782U JP18173782U JPS5989184U JP S5989184 U JPS5989184 U JP S5989184U JP 18173782 U JP18173782 U JP 18173782U JP 18173782 U JP18173782 U JP 18173782U JP S5989184 U JPS5989184 U JP S5989184U
Authority
JP
Japan
Prior art keywords
bit
seat
adapter
outer periphery
spanner
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
JP18173782U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6241110Y2 (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 JP18173782U priority Critical patent/JPS5989184U/ja
Publication of JPS5989184U publication Critical patent/JPS5989184U/ja
Application granted granted Critical
Publication of JPS6241110Y2 publication Critical patent/JPS6241110Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP18173782U 1982-11-30 1982-11-30 拡口ビツト Granted JPS5989184U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18173782U JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18173782U JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Publications (2)

Publication Number Publication Date
JPS5989184U true JPS5989184U (ja) 1984-06-16
JPS6241110Y2 JPS6241110Y2 (https=) 1987-10-21

Family

ID=30393750

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18173782U Granted JPS5989184U (ja) 1982-11-30 1982-11-30 拡口ビツト

Country Status (1)

Country Link
JP (1) JPS5989184U (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678069A (zh) * 2011-03-18 2012-09-19 (株)世宗E&C 具有缓冲功能的钻孔设备以及固定架施工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102678069A (zh) * 2011-03-18 2012-09-19 (株)世宗E&C 具有缓冲功能的钻孔设备以及固定架施工方法

Also Published As

Publication number Publication date
JPS6241110Y2 (https=) 1987-10-21

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