JPS62174111U - - Google Patents

Info

Publication number
JPS62174111U
JPS62174111U JP6229586U JP6229586U JPS62174111U JP S62174111 U JPS62174111 U JP S62174111U JP 6229586 U JP6229586 U JP 6229586U JP 6229586 U JP6229586 U JP 6229586U JP S62174111 U JPS62174111 U JP S62174111U
Authority
JP
Japan
Prior art keywords
groove surface
inclined end
end surfaces
drill
drill part
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
JP6229586U
Other languages
English (en)
Other versions
JPH0231608Y2 (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 JP6229586U priority Critical patent/JPH0231608Y2/ja
Publication of JPS62174111U publication Critical patent/JPS62174111U/ja
Application granted granted Critical
Publication of JPH0231608Y2 publication Critical patent/JPH0231608Y2/ja
Expired 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
    • F16B25/0084—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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)

Description

【図面の簡単な説明】
第１図〜第７図は本考案の実施例ドリルねじを
示し、第１図はドリルねじ全体の正面図、第２図
は第１図の左側面図、第３図は第１図のドリルね
じにおけるドリル部の拡大図、第４図は第３図の
左側面図、第５図は第３図の底面図、第６図は第
５図の―視側面図、第７図は第１図のドリル
ねじにおけるドリル部の拡大斜視図、第８図はド
リル部における縦溝を切削加工している状態を示
す斜視図、第９図〜第１２図は従来のドリルねじ
におけるドリル部の拡大図を示し、第９図は正面
図、第１０図は第９図の左側面図、第１１図は第
９図の底面図、第１２図は第１１図の―
視側面図である。 １０……ドリルねじ、１１……ねじ山、１２…
…シヤンク、１３……頭部、１４……ドリル部、
１５……傾斜端面、１６……長手軸線、１７……
縦溝、１７ａ……第１溝面、１７ｂ……第２溝面
、１８……仮想平面、１９……先端刃、２０……
チゼルエツジ、２１……交点、２３……隅肉部、
２２……隅肉部の傾斜面。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外周にねじ山を有するシヤンクと、該シヤンク
    の上端に一体的に形成した頭部と、前記シヤンク
    の下端に一体的に形成したドリル部とを備え、前
    記ドリル部には、左右一対の傾斜端面を、当該両
    傾斜端面が前記ドリル部の長手軸線に合致する位
    置において互いに交差するように形成する一方、
    ドリル部には、前記両傾斜端面から上方に延びる
    ２条の縦溝を対角の位置に刻設し、該両縦溝を構
    成する第１溝面及び第２溝面のうち第１溝面と前
    記傾斜端面との各々を、前記長手軸線を含み且つ
    前記両傾斜端面同士の交差稜線に対して適宜角度
    だけ傾斜する仮想平面の両側において交差させる
    ことにより当該交差箇所に先端刃を形成し、且つ
    、前記両傾斜端面同士の交差稜線のうち前記両先
    端刃間の部分をチゼルエツジに構成して成るドリ
    ルねじにおいて、前記両縦溝においてその第１溝
    面と第２溝面とが交差する隅部には、前記チゼル
    エツジが先端刃に交わる交点又はこの交点の近傍
    から第２溝面に向つて次第に盛上るように隅肉部
    を設けたことを特徴とするドリルねじ。
JP6229586U 1986-04-24 1986-04-24 Expired JPH0231608Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6229586U JPH0231608Y2 (ja) 1986-04-24 1986-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6229586U JPH0231608Y2 (ja) 1986-04-24 1986-04-24

Publications (2)

Publication Number Publication Date
JPS62174111U true JPS62174111U (ja) 1987-11-05
JPH0231608Y2 JPH0231608Y2 (ja) 1990-08-27

Family

ID=30896429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6229586U Expired JPH0231608Y2 (ja) 1986-04-24 1986-04-24

Country Status (1)

Country Link
JP (1) JPH0231608Y2 (ja)

Also Published As

Publication number Publication date
JPH0231608Y2 (ja) 1990-08-27

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