JPH0270917U - - Google Patents

Info

Publication number
JPH0270917U
JPH0270917U JP14764588U JP14764588U JPH0270917U JP H0270917 U JPH0270917 U JP H0270917U JP 14764588 U JP14764588 U JP 14764588U JP 14764588 U JP14764588 U JP 14764588U JP H0270917 U JPH0270917 U JP H0270917U
Authority
JP
Japan
Prior art keywords
drill
hard film
twist
deep hole
hole drilling
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
JP14764588U
Other languages
Japanese (ja)
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 JP14764588U priority Critical patent/JPH0270917U/ja
Publication of JPH0270917U publication Critical patent/JPH0270917U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Description

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

第1図乃至第4図は、本考案に係る深穴加工用
ドリルの実施例を示すもので、第1図、第3図は
正面図、第2図、第4図は左側図面である。 1……ツイストドリル、2……ドリル刃部、3
……ドリル柄部、4……ドリル溝、5……ドリル
切刃、6……逃げ面、7……二番面、8……マー
ジン部。
1 to 4 show an embodiment of a deep hole drilling drill according to the present invention, with FIGS. 1 and 3 being front views, and FIGS. 2 and 4 being left side views. 1...Twist drill, 2...Drill blade part, 3
... Drill handle part, 4 ... Drill groove, 5 ... Drill cutting edge, 6 ... Flank surface, 7 ... Second face, 8 ... Margin part.

Claims (1)

【実用新案登録請求の範囲】 (1) ドリル径をD、ドリル溝長をLとして、L
/Dが15以上の深穴加工用ツイストドリルであ
つて、少なくともドリルマージン部には硬質膜を
被覆するとともに、ドリル溝を硬質膜を被覆しな
いドリル素材地肌研削面としたことを特徴とする
深穴加工用ツイストドリル。 (2) 上記硬質膜がチタンの窒化物、炭化物、炭
窒化物の単層またはそれらの複層からなることを
特徴とする実用新案登録請求の範囲第1項記載の
深穴加工用ツイストドリル。
[Scope of claim for utility model registration] (1) Where the drill diameter is D and the drill groove length is L,
/D is a twist drill for deep hole drilling of 15 or more, characterized in that at least the drill margin portion is coated with a hard film, and the drill groove is a ground surface of the drill material that is not covered with the hard film. Twist drill for drilling holes. (2) The twist drill for deep hole drilling according to claim 1, wherein the hard film is made of a single layer of titanium nitride, carbide, or carbonitride, or a multilayer thereof.
JP14764588U 1988-11-12 1988-11-12 Pending JPH0270917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14764588U JPH0270917U (en) 1988-11-12 1988-11-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14764588U JPH0270917U (en) 1988-11-12 1988-11-12

Publications (1)

Publication Number Publication Date
JPH0270917U true JPH0270917U (en) 1990-05-30

Family

ID=31418241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14764588U Pending JPH0270917U (en) 1988-11-12 1988-11-12

Country Status (1)

Country Link
JP (1) JPH0270917U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014213414A (en) * 2013-04-25 2014-11-17 ユニオンツール株式会社 Drilling tool
JP2015093337A (en) * 2013-11-11 2015-05-18 ユニオンツール株式会社 Method for manufacturing drilling tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014213414A (en) * 2013-04-25 2014-11-17 ユニオンツール株式会社 Drilling tool
TWI549766B (en) * 2013-04-25 2016-09-21 佑能工具股份有限公司 Drilling tool
JP2015093337A (en) * 2013-11-11 2015-05-18 ユニオンツール株式会社 Method for manufacturing drilling tool

Similar Documents

Publication Publication Date Title
JPH0270917U (en)
JPS59140119U (en) Drilling tools
JPS6189415U (en)
JPS59171010U (en) carbide drill
JPS5855801U (en) Carbide tip
JPS6171312U (en)
JPS61109612U (en)
JPS6274915U (en)
JPS63116214U (en)
JPH0253321U (en)
JPS62113912U (en)
JPS6281509U (en)
JPS6397419U (en)
JPH01120592U (en)
JPS63197013U (en)
JPS62178012U (en)
JPS61109609U (en)
JPH0350405U (en)
JPH0428909U (en)
JPS6154408U (en)
JPH0387518U (en)
JPH02139004U (en)
JPH0263911U (en)
JPS61195920U (en)
JPS6189416U (en)