JPH01165314U - - Google Patents

Info

Publication number
JPH01165314U
JPH01165314U JP6196088U JP6196088U JPH01165314U JP H01165314 U JPH01165314 U JP H01165314U JP 6196088 U JP6196088 U JP 6196088U JP 6196088 U JP6196088 U JP 6196088U JP H01165314 U JPH01165314 U JP H01165314U
Authority
JP
Japan
Prior art keywords
shank
axis
drill
inclined grooves
grooves
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
JP6196088U
Other languages
English (en)
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 JP6196088U priority Critical patent/JPH01165314U/ja
Publication of JPH01165314U publication Critical patent/JPH01165314U/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
    • F16B25/0084—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)
JP6196088U 1988-05-10 1988-05-10 Pending JPH01165314U (OSRAM)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6196088U JPH01165314U (OSRAM) 1988-05-10 1988-05-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6196088U JPH01165314U (OSRAM) 1988-05-10 1988-05-10

Publications (1)

Publication Number Publication Date
JPH01165314U true JPH01165314U (OSRAM) 1989-11-20

Family

ID=31287596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6196088U Pending JPH01165314U (OSRAM) 1988-05-10 1988-05-10

Country Status (1)

Country Link
JP (1) JPH01165314U (OSRAM)

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