JPH036366B2 - - Google Patents

Info

Publication number
JPH036366B2
JPH036366B2 JP60060212A JP6021285A JPH036366B2 JP H036366 B2 JPH036366 B2 JP H036366B2 JP 60060212 A JP60060212 A JP 60060212A JP 6021285 A JP6021285 A JP 6021285A JP H036366 B2 JPH036366 B2 JP H036366B2
Authority
JP
Japan
Prior art keywords
chisel edge
longitudinal axis
drill
cutting edges
shank
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
JP60060212A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61218819A (ja
Inventor
Kameo Doi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NISUKO KK
Original Assignee
NISUKO KK
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 NISUKO KK filed Critical NISUKO KK
Priority to JP6021285A priority Critical patent/JPS61218819A/ja
Priority to US06/828,645 priority patent/US4730969A/en
Priority to DE19863604390 priority patent/DE3604390A1/de
Publication of JPS61218819A publication Critical patent/JPS61218819A/ja
Publication of JPH036366B2 publication Critical patent/JPH036366B2/ja
Granted 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)
JP6021285A 1985-02-12 1985-03-25 ドリルねじ Granted JPS61218819A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP6021285A JPS61218819A (ja) 1985-03-25 1985-03-25 ドリルねじ
US06/828,645 US4730969A (en) 1985-02-12 1986-02-12 Self-drilling screw
DE19863604390 DE3604390A1 (de) 1985-02-12 1986-02-12 Selbstbohrende schraube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6021285A JPS61218819A (ja) 1985-03-25 1985-03-25 ドリルねじ

Publications (2)

Publication Number Publication Date
JPS61218819A JPS61218819A (ja) 1986-09-29
JPH036366B2 true JPH036366B2 (enrdf_load_html_response) 1991-01-29

Family

ID=13135617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6021285A Granted JPS61218819A (ja) 1985-02-12 1985-03-25 ドリルねじ

Country Status (1)

Country Link
JP (1) JPS61218819A (enrdf_load_html_response)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62188809A (ja) * 1986-02-12 1987-08-18 株式会社　丸エム製作所 ドリル螺子

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5740112A (en) * 1980-08-20 1982-03-05 Jiei Shiyubarutsuman Mfg Ando Self drilling screw

Also Published As

Publication number Publication date
JPS61218819A (ja) 1986-09-29

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