GB2092033B - Twist drill with secondary cutting tooth - Google Patents

Twist drill with secondary cutting tooth

Info

Publication number
GB2092033B
GB2092033B GB8103418A GB8103418A GB2092033B GB 2092033 B GB2092033 B GB 2092033B GB 8103418 A GB8103418 A GB 8103418A GB 8103418 A GB8103418 A GB 8103418A GB 2092033 B GB2092033 B GB 2092033B
Authority
GB
United Kingdom
Prior art keywords
cutting tooth
secondary cutting
twist drill
twist
drill
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
Application number
GB8103418A
Other versions
GB2092033A (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB8103418A priority Critical patent/GB2092033B/en
Priority to AU84615/82A priority patent/AU8461582A/en
Publication of GB2092033A publication Critical patent/GB2092033A/en
Priority to GB08321256A priority patent/GB2123322B/en
Application granted granted Critical
Publication of GB2092033B publication Critical patent/GB2092033B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/08—Drills combined with tool parts or tools for performing additional working
    • 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)
GB8103418A 1981-02-04 1981-02-04 Twist drill with secondary cutting tooth Expired GB2092033B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8103418A GB2092033B (en) 1981-02-04 1981-02-04 Twist drill with secondary cutting tooth
AU84615/82A AU8461582A (en) 1981-02-04 1982-06-07 Twist drill with fixed cutting tooth
GB08321256A GB2123322B (en) 1981-02-04 1983-08-06 Drill bits with countersinking means

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8103418A GB2092033B (en) 1981-02-04 1981-02-04 Twist drill with secondary cutting tooth
AU84615/82A AU8461582A (en) 1981-02-04 1982-06-07 Twist drill with fixed cutting tooth

Publications (2)

Publication Number Publication Date
GB2092033A GB2092033A (en) 1982-08-11
GB2092033B true GB2092033B (en) 1985-05-22

Family

ID=25640388

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8103418A Expired GB2092033B (en) 1981-02-04 1981-02-04 Twist drill with secondary cutting tooth

Country Status (2)

Country Link
AU (1) AU8461582A (en)
GB (1) GB2092033B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453532B (en) * 1986-06-03 1988-02-08 Sandvik Ab DRILL WITH Means for Performing a Secondary Function
DE102016110193A1 (en) * 2016-06-02 2017-12-07 Gühring KG Turning tool with exchangeable cutting inserts

Also Published As

Publication number Publication date
GB2092033A (en) 1982-08-11
AU8461582A (en) 1983-12-15

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930204