JPS595215U - ドリル - Google Patents

ドリル

Info

Publication number
JPS595215U
JPS595215U JP10078482U JP10078482U JPS595215U JP S595215 U JPS595215 U JP S595215U JP 10078482 U JP10078482 U JP 10078482U JP 10078482 U JP10078482 U JP 10078482U JP S595215 U JPS595215 U JP S595215U
Authority
JP
Japan
Prior art keywords
cutting edge
corner cutting
outer diameter
land
helical groove
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
JP10078482U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0222173Y2 (cs
Inventor
新開　寛
Original Assignee
有限会社新開工具製作所
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 有限会社新開工具製作所 filed Critical 有限会社新開工具製作所
Priority to JP10078482U priority Critical patent/JPS595215U/ja
Publication of JPS595215U publication Critical patent/JPS595215U/ja
Application granted granted Critical
Publication of JPH0222173Y2 publication Critical patent/JPH0222173Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/44—Margins, i.e. the narrow portion of the land which is not cut away to provide clearance on the circumferential surface
    • B23B2251/443—Double margin drills

Landscapes

  • Drilling Tools (AREA)
JP10078482U 1982-07-02 1982-07-02 ドリル Granted JPS595215U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10078482U JPS595215U (ja) 1982-07-02 1982-07-02 ドリル

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10078482U JPS595215U (ja) 1982-07-02 1982-07-02 ドリル

Publications (2)

Publication Number Publication Date
JPS595215U true JPS595215U (ja) 1984-01-13
JPH0222173Y2 JPH0222173Y2 (cs) 1990-06-14

Family

ID=30238270

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10078482U Granted JPS595215U (ja) 1982-07-02 1982-07-02 ドリル

Country Status (1)

Country Link
JP (1) JPS595215U (cs)

Also Published As

Publication number Publication date
JPH0222173Y2 (cs) 1990-06-14

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