JPS6420304U - - Google Patents

Info

Publication number
JPS6420304U
JPS6420304U JP11424487U JP11424487U JPS6420304U JP S6420304 U JPS6420304 U JP S6420304U JP 11424487 U JP11424487 U JP 11424487U JP 11424487 U JP11424487 U JP 11424487U JP S6420304 U JPS6420304 U JP S6420304U
Authority
JP
Japan
Prior art keywords
drill
drilling
drill according
shank
perforations
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.)
Pending
Application number
JP11424487U
Other languages
English (en)
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 JP11424487U priority Critical patent/JPS6420304U/ja
Publication of JPS6420304U publication Critical patent/JPS6420304U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
図面はこの考案の実施例を示す図で、第1図は
正面図、第2図は下面図、である。 1:シヤンク、2:胴部、3:排塵溝、4:穿
孔部、D:小径、D:大径。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 シヤンク1に続く胴部2に排塵溝3を共通す
    る複数の穿孔部4を設けたことを特徴とするドリ
    ル。 2 各穿孔部4は胴部2と一体であることを特徴
    とする実用新案登録請求の範囲第1項記載のドリ
    ル。 3 穿孔部4は夫々その直径が異なりドリルの先
    方側が小径Dで後方側が大径Dであることを
    特徴とする実用新案登録請求の範囲第1項記載の
    ドリル。
JP11424487U 1987-07-25 1987-07-25 Pending JPS6420304U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11424487U JPS6420304U (ja) 1987-07-25 1987-07-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11424487U JPS6420304U (ja) 1987-07-25 1987-07-25

Publications (1)

Publication Number Publication Date
JPS6420304U true JPS6420304U (ja) 1989-02-01

Family

ID=31354815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11424487U Pending JPS6420304U (ja) 1987-07-25 1987-07-25

Country Status (1)

Country Link
JP (1) JPS6420304U (ja)

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