JPS5870509U - タツプ付セルフドリリングねじ - Google Patents

タツプ付セルフドリリングねじ

Info

Publication number
JPS5870509U
JPS5870509U JP16525781U JP16525781U JPS5870509U JP S5870509 U JPS5870509 U JP S5870509U JP 16525781 U JP16525781 U JP 16525781U JP 16525781 U JP16525781 U JP 16525781U JP S5870509 U JPS5870509 U JP S5870509U
Authority
JP
Japan
Prior art keywords
tap
self
drilling screw
tip
screw
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
JP16525781U
Other languages
English (en)
Inventor
昇 大場
Original Assignee
国分化学工業株式会社
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 国分化学工業株式会社 filed Critical 国分化学工業株式会社
Priority to JP16525781U priority Critical patent/JPS5870509U/ja
Publication of JPS5870509U publication Critical patent/JPS5870509U/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/10—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws
    • F16B25/103—Screws performing an additional function to thread-forming, e.g. drill screws or self-piercing screws by means of a drilling screw-point, i.e. with a cutting and material removing action
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0078—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw with a shaft of non-circular cross-section or other special geometric features of the shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
    • F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
    • F16B25/0084—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw characterised by geometric details of the tip

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (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】
第１図＝正面・背面図、第２図＝側面図、第３図＝平面
図、第４図＝切刃部の切削実施図、第５□　　図、第６
図＝従来のねじ切刃部のリード図。 図中１・・・・・・ねじ頭部、２・・曲ねじ山部、３・
・曲逃げ角、４・・・・・・切刃、５・・・・・・縦溝
、６・曲傅−ド部のねじれ角、７・・・・・・チーゼル
の樋、８・・曲チーゼル、９・・・・・・スクイ面、１
０・・・・・・周方の逃げ、１１・・・・・・従来品の
リード（垂直線状）、１２・・・・・・従来品のリード
（円弧状）。

Claims (1)

    【実用新案登録請求の範囲】
  1. ねじ脚部の先端にドリル刃先と同じ２枚刃を具備し、そ
    のリード部はねじれ角を形成せしめ周方の逃げを具した
    ものであり、チーゼルの左右両側には円弧状の樋を形成
    せしめたものである。次にねじ部分にはねじ山のスター
    トより数条のねじ山に対しその軸部に垂直又は傾斜した
    縦溝を形成しでおることを特徴とするタップ付セルフド
    リリングねじ。
JP16525781U 1981-11-04 1981-11-04 タツプ付セルフドリリングねじ Pending JPS5870509U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16525781U JPS5870509U (ja) 1981-11-04 1981-11-04 タツプ付セルフドリリングねじ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16525781U JPS5870509U (ja) 1981-11-04 1981-11-04 タツプ付セルフドリリングねじ

Publications (1)

Publication Number Publication Date
JPS5870509U true JPS5870509U (ja) 1983-05-13

Family

ID=29957462

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16525781U Pending JPS5870509U (ja) 1981-11-04 1981-11-04 タツプ付セルフドリリングねじ

Country Status (1)

Country Link
JP (1) JPS5870509U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61282613A (ja) * 1985-02-12 1986-12-12 ニスコ株式会社 ドリルねじ
JPS61201770U (ja) * 1985-06-07 1986-12-18

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61282613A (ja) * 1985-02-12 1986-12-12 ニスコ株式会社 ドリルねじ
JPS61201770U (ja) * 1985-06-07 1986-12-18

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