JPS63136897U - - Google Patents

Info

Publication number
JPS63136897U
JPS63136897U JP2845787U JP2845787U JPS63136897U JP S63136897 U JPS63136897 U JP S63136897U JP 2845787 U JP2845787 U JP 2845787U JP 2845787 U JP2845787 U JP 2845787U JP S63136897 U JPS63136897 U JP S63136897U
Authority
JP
Japan
Prior art keywords
sheet material
blade
shank
outside diameter
main body
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
JP2845787U
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 JP2845787U priority Critical patent/JPS63136897U/ja
Publication of JPS63136897U publication Critical patent/JPS63136897U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

【図面の簡単な説明】
第１図は、本考案によるシート材穴明けドリル
の一実施例を示す断面図、第２図は本考案による
シート材穴明けドリルの他の実施例を示す断面図
、第３図は従来のシート材穴明けドリルの断面図
である。 １：本体部、１ａ：シヤンク部、１ｂ：胴部、
２：刃部、３：銀ろう。

Claims (1)

    【実用新案登録請求の範囲】
  1. シヤンク部と胴部を有し、前記胴部外径よりも
    前記シヤンク部外径が大きい本体部および刃部か
    らなるシート材穴明けドリルにおいて、前記刃部
    は高硬度材で成形し、該刃部を低硬度鋼で成形さ
    れた前記本体部の先端側端部に接合したことを特
    徴とするシート材穴明けドリル。
JP2845787U 1987-02-27 1987-02-27 Pending JPS63136897U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2845787U JPS63136897U (ja) 1987-02-27 1987-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2845787U JPS63136897U (ja) 1987-02-27 1987-02-27

Publications (1)

Publication Number Publication Date
JPS63136897U true JPS63136897U (ja) 1988-09-08

Family

ID=30831436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2845787U Pending JPS63136897U (ja) 1987-02-27 1987-02-27

Country Status (1)

Country Link
JP (1) JPS63136897U (ja)

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