JPH0135771Y2 - - Google Patents

Info

Publication number
JPH0135771Y2
JPH0135771Y2 JP6404484U JP6404484U JPH0135771Y2 JP H0135771 Y2 JPH0135771 Y2 JP H0135771Y2 JP 6404484 U JP6404484 U JP 6404484U JP 6404484 U JP6404484 U JP 6404484U JP H0135771 Y2 JPH0135771 Y2 JP H0135771Y2
Authority
JP
Japan
Prior art keywords
cutting
gun drill
cutting edge
groove
opening angle
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
JP6404484U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60175514U (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 JP6404484U priority Critical patent/JPS60175514U/ja
Publication of JPS60175514U publication Critical patent/JPS60175514U/ja
Application granted granted Critical
Publication of JPH0135771Y2 publication Critical patent/JPH0135771Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP6404484U 1984-04-28 1984-04-28 ガンドリル Granted JPS60175514U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6404484U JPS60175514U (ja) 1984-04-28 1984-04-28 ガンドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6404484U JPS60175514U (ja) 1984-04-28 1984-04-28 ガンドリル

Publications (2)

Publication Number Publication Date
JPS60175514U JPS60175514U (ja) 1985-11-20
JPH0135771Y2 true JPH0135771Y2 (enrdf_load_stackoverflow) 1989-11-01

Family

ID=30594752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6404484U Granted JPS60175514U (ja) 1984-04-28 1984-04-28 ガンドリル

Country Status (1)

Country Link
JP (1) JPS60175514U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS60175514U (ja) 1985-11-20

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