JP2556982Y2 - ２段切り刃を有するセルフドリリングねじ - Google Patents

２段切り刃を有するセルフドリリングねじ

Info

Publication number
JP2556982Y2
JP2556982Y2 JP1991031206U JP3120691U JP2556982Y2 JP 2556982 Y2 JP2556982 Y2 JP 2556982Y2 JP 1991031206 U JP1991031206 U JP 1991031206U JP 3120691 U JP3120691 U JP 3120691U JP 2556982 Y2 JP2556982 Y2 JP 2556982Y2
Authority
JP
Japan
Prior art keywords
cutting
cutting blade
axis
angle
self
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.)
Expired - Lifetime
Application number
JP1991031206U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0525013U (ja
Inventor
久芳 山本
Original Assignee
株式会社ヤマヒロ
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 株式会社ヤマヒロ filed Critical 株式会社ヤマヒロ
Priority to JP1991031206U priority Critical patent/JP2556982Y2/ja
Priority to DE19924205059 priority patent/DE4205059C2/de
Publication of JPH0525013U publication Critical patent/JPH0525013U/ja
Application granted granted Critical
Publication of JP2556982Y2 publication Critical patent/JP2556982Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16B25/001—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed
    • F16B25/0021—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by the material of the body into which the screw is screwed the material being metal, e.g. sheet-metal or aluminium
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Drilling Tools (AREA)
JP1991031206U 1991-04-06 1991-04-06 ２段切り刃を有するセルフドリリングねじ Expired - Lifetime JP2556982Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1991031206U JP2556982Y2 (ja) 1991-04-06 1991-04-06 ２段切り刃を有するセルフドリリングねじ
DE19924205059 DE4205059C2 (de) 1991-04-06 1992-02-19 Selbstbohrende Schraube mit zweistufiger Schneidkante

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991031206U JP2556982Y2 (ja) 1991-04-06 1991-04-06 ２段切り刃を有するセルフドリリングねじ

Publications (2)

Publication Number Publication Date
JPH0525013U JPH0525013U (ja) 1993-04-02
JP2556982Y2 true JP2556982Y2 (ja) 1997-12-08

Family

ID=12324949

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991031206U Expired - Lifetime JP2556982Y2 (ja) 1991-04-06 1991-04-06 ２段切り刃を有するセルフドリリングねじ

Country Status (2)

Country Link
JP (1) JP2556982Y2 (de)
DE (1) DE4205059C2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2509451Y2 (ja) * 1991-07-29 1996-09-04 若井産業株式会社 ドリル刃付ねじ
JPH07305708A (ja) * 1994-05-11 1995-11-21 Miyagawa Kinzoku Kogyo Kk ドリルネジ
DE19632838A1 (de) * 1996-08-15 1998-02-19 Adolf Wuerth Gmbh & Co Kg Schraube mit einer selbstbohrenden Spitze
DE102007000848A1 (de) * 2007-10-11 2009-04-23 Hilti Aktiengesellschaft Selbstbohrschraube
CN101929496A (zh) * 2009-06-24 2010-12-29 三友璟工业有限公司 具有两种以上角度的钻尾螺丝

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH497229A (de) * 1967-05-11 1970-10-15 Radial Lip Machine Corp Bohrer
DD83671A1 (de) * 1969-12-23 1971-08-05 Dieter Dr-Ing Roehrich Bohrtreibschraube
US4583898A (en) * 1979-11-26 1986-04-22 Illinois Tool Works Inc. Drill screw and cutters for making same
DE3604390A1 (de) * 1985-02-12 1986-08-14 Nisco Inc., Shiga Selbstbohrende schraube
US4725175A (en) * 1986-01-09 1988-02-16 Usm Corporation Groove point screw
JPH0747243B2 (ja) * 1987-06-05 1995-05-24 富士重工業株式会社 複合材穿孔用ドリル
JPH02126710U (de) * 1989-03-24 1990-10-18

Also Published As

Publication number Publication date
DE4205059A1 (de) 1992-10-08
DE4205059C2 (de) 1996-12-12
JPH0525013U (ja) 1993-04-02

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