CH262858A - Center drilling tool. - Google Patents

Center drilling tool.

Info

Publication number
CH262858A
CH262858A CH262858DA CH262858A CH 262858 A CH262858 A CH 262858A CH 262858D A CH262858D A CH 262858DA CH 262858 A CH262858 A CH 262858A
Authority
CH
Switzerland
Prior art keywords
drilling tool
center drilling
center
tool
drilling
Prior art date
Application number
Other languages
German (de)
Inventor
Thune Trygve
Original Assignee
Thune Trygve
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 Thune Trygve filed Critical Thune Trygve
Publication of CH262858A publication Critical patent/CH262858A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/10—Bits for countersinking
    • B23B51/108—Bits for countersinking having a centering drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
CH262858D 1947-02-01 1948-01-29 Center drilling tool. CH262858A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO262858X 1947-02-01

Publications (1)

Publication Number Publication Date
CH262858A true CH262858A (en) 1949-07-31

Family

ID=19905069

Family Applications (1)

Application Number Title Priority Date Filing Date
CH262858D CH262858A (en) 1947-02-01 1948-01-29 Center drilling tool.

Country Status (4)

Country Link
BE (1) BE480066A (en)
CH (1) CH262858A (en)
FR (1) FR960118A (en)
GB (1) GB639490A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273301B (en) * 1960-08-10 1968-07-18 Alfons Klos Countersink tool that can be placed on a twist drill

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898787A (en) * 1957-03-04 1959-08-11 William J Hofbauer Rotary cutting tool
DE19711261A1 (en) * 1997-03-18 1998-09-24 Hilti Ag Combi drilling tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1273301B (en) * 1960-08-10 1968-07-18 Alfons Klos Countersink tool that can be placed on a twist drill

Also Published As

Publication number Publication date
FR960118A (en) 1950-04-13
GB639490A (en) 1950-06-28
BE480066A (en)

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