JPS5875612U - Drill - Google Patents

Drill

Info

Publication number
JPS5875612U
JPS5875612U JP1981168082U JP16808281U JPS5875612U JP S5875612 U JPS5875612 U JP S5875612U JP 1981168082 U JP1981168082 U JP 1981168082U JP 16808281 U JP16808281 U JP 16808281U JP S5875612 U JPS5875612 U JP S5875612U
Authority
JP
Japan
Prior art keywords
drill
margin portion
back taper
tip
larger
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
JP1981168082U
Other languages
Japanese (ja)
Other versions
JPS61976Y2 (en
Inventor
薫 後藤
高谷　末治
修 一ノ関
Original Assignee
三菱マテリアル株式会社
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 三菱マテリアル株式会社 filed Critical 三菱マテリアル株式会社
Priority to JP1981168082U priority Critical patent/JPS5875612U/en
Priority to KR2019820007688U priority patent/KR870001009Y1/en
Publication of JPS5875612U publication Critical patent/JPS5875612U/en
Application granted granted Critical
Publication of JPS61976Y2 publication Critical patent/JPS61976Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/02—Twist drills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/08—Side or plan views of cutting edges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/18—Configuration of the drill point

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図〜第３図はこの考案の一実施例を示し、第１図は
その一部省略正面図、第２図はその一部省略側面図、第
３図はその底面視図、第４図はこの考案の他の実施例の
第３図と同様の図、第５図および第６図はこの考案のさ
らに他の実施例を示し、第５図はその一部省略正面図、
第６図はその底面視図である。 ４．１４．２４・・・・・・切刃、５，１５．２５・・
・・・・マージン部、５ａ、１５ａ、２５ａ・・・・・
・第１マージン部、５ｂ、２５ｂ・・・・・・第２マー
ジン部。Figures 1 to 3 show an embodiment of this invention, with Figure 1 being a partially omitted front view, Figure 2 being a partially omitted side view, Figure 3 being a bottom view, and Figure 4 being a partially omitted side view. The figure is a view similar to FIG. 3 of another embodiment of this invention, FIGS. 5 and 6 show still other embodiments of this invention, and FIG. 5 is a partially omitted front view;
FIG. 6 is a bottom view thereof. 4.14.24... Cutting blade, 5,15.25...
...Margin section, 5a, 15a, 25a...
-First margin part, 5b, 25b... Second margin part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 先端部に設けられた切刃４と、先端部外周に設けられた
マージン部５とを具備してなるドリルにおいて、上記マ
ージン部５は、ドリルの先端側に設けられてドリルを案
内し、かつ零より大きいバックテーパが付された第１マ
ージン部５ａと、この第１マージン部５ａに連なってド
リルの軸線方向後方に向かって延び、かつ上記第１マー
ジン部５ａのバックテーパより大きいバックテーパが付
された第２マージン部５ｂとを具備していることを特徴
とするドリル。In a drill comprising a cutting edge 4 provided at the tip and a margin portion 5 provided on the outer periphery of the tip, the margin portion 5 is provided at the tip side of the drill to guide the drill, and A first margin portion 5a with a back taper larger than zero, and a back taper that extends rearward in the axial direction of the drill and is continuous with the first margin portion 5a and is larger than the back taper of the first margin portion 5a. A drill characterized in that it has a second margin portion 5b attached thereto.
JP1981168082U 1981-11-11 1981-11-11 Drill Granted JPS5875612U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1981168082U JPS5875612U (en) 1981-11-11 1981-11-11 Drill
KR2019820007688U KR870001009Y1 (en) 1981-11-11 1982-09-28 Drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981168082U JPS5875612U (en) 1981-11-11 1981-11-11 Drill

Publications (2)

Publication Number Publication Date
JPS5875612U true JPS5875612U (en) 1983-05-21
JPS61976Y2 JPS61976Y2 (en) 1986-01-14

Family

ID=29960137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981168082U Granted JPS5875612U (en) 1981-11-11 1981-11-11 Drill

Country Status (2)

Country Link
JP (1) JPS5875612U (en)
KR (1) KR870001009Y1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015226978A (en) * 2014-06-02 2015-12-17 ミクロン ツール エスアー アーニョ Drilling tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015226978A (en) * 2014-06-02 2015-12-17 ミクロン ツール エスアー アーニョ Drilling tool

Also Published As

Publication number Publication date
KR840001516U (en) 1984-05-17
KR870001009Y1 (en) 1987-03-20
JPS61976Y2 (en) 1986-01-14

Similar Documents

Publication Publication Date Title
JPS5875612U (en) Drill
JPS59171010U (en) carbide drill
JPS588505U (en) boring cutter
JPS6094412U (en) gun drill
JPS6039429U (en) drill tap
JPS5863911U (en) Carbide drilling tool
JPS60172626U (en) Reamer
JPS6029015U (en) Carbide burnishing drill
JPS5847430U (en) tap
JPS6015145U (en) gardening support
JPS58143116U (en) Drill
JPS59176712U (en) solid carbide end mill
JPS5950619U (en) Drill
JPS5844135U (en) Gun reamer
JPS59160113U (en) Throw-away drill
JPS58154008U (en) taper drill
JPS6050283U (en) Ribbon screw type auger
JPS6084204U (en) Drill
JPS6127614U (en) gun drill
JPS60175502U (en) Chamfering tool
JPS5880126U (en) assembly hob
JPS6116220U (en) Cutting tools
JPS60172628U (en) Electroplated abrasive shaving cutter for gears
JPS60117774U (en) spoon for eating and drinking
JPS59178147U (en) furniture