JPS60143617U - 穿孔工具 - Google Patents

穿孔工具

Info

Publication number
JPS60143617U
JPS60143617U JP3143484U JP3143484U JPS60143617U JP S60143617 U JPS60143617 U JP S60143617U JP 3143484 U JP3143484 U JP 3143484U JP 3143484 U JP3143484 U JP 3143484U JP S60143617 U JPS60143617 U JP S60143617U
Authority
JP
Japan
Prior art keywords
drilling tool
blade portion
rear end
sectional area
cross
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
JP3143484U
Other languages
English (en)
Inventor
出口　教二
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3143484U priority Critical patent/JPS60143617U/ja
Publication of JPS60143617U publication Critical patent/JPS60143617U/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G5/00—Thread-cutting tools; Die-heads
    • B23G5/02—Thread-cutting tools; Die-heads without means for adjustment
    • B23G5/06—Taps
    • B23G5/064—Taps with weakened shank portion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
図面はこの考案の一実施例を示す平面図である。

Claims (2)

    【実用新案登録請求の範囲】
  1. （１）刃部と、この刃部の後端に一体的に形成された柄
    部とを有するねじタップ等の穿孔工具において、前記刃
    部の後端外周に少なくとも１対の相対する平行な平面部
    を形成するとともに、該平面部と上記柄部との間に上記
    刃部の横断面積よりも実質的に小さい横断面積を有する
    首部を□　設けたことを特徴とする穿孔工具。
  2. （２）　　実用新案登録請求の範囲第１項記載の穿孔工
    具であって、上記平面部はその横断面が矩形をなすよう
    に４面形成されていることを特徴とする穿孔工具。
JP3143484U 1984-03-05 1984-03-05 穿孔工具 Pending JPS60143617U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3143484U JPS60143617U (ja) 1984-03-05 1984-03-05 穿孔工具

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3143484U JPS60143617U (ja) 1984-03-05 1984-03-05 穿孔工具

Publications (1)

Publication Number Publication Date
JPS60143617U true JPS60143617U (ja) 1985-09-24

Family

ID=30532039

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3143484U Pending JPS60143617U (ja) 1984-03-05 1984-03-05 穿孔工具

Country Status (1)

Country Link
JP (1) JPS60143617U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451372U (ja) * 1990-09-04 1992-04-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451372U (ja) * 1990-09-04 1992-04-30

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