GB126906A - Improvements in Countersink Drill. - Google Patents

Improvements in Countersink Drill.

Info

Publication number
GB126906A
GB126906A GB1877918A GB1877918A GB126906A GB 126906 A GB126906 A GB 126906A GB 1877918 A GB1877918 A GB 1877918A GB 1877918 A GB1877918 A GB 1877918A GB 126906 A GB126906 A GB 126906A
Authority
GB
United Kingdom
Prior art keywords
drill
countersink
countersink drill
engaged
screw
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
GB1877918A
Inventor
Alphonsus Joseph Bull
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 GB1877918A priority Critical patent/GB126906A/en
Publication of GB126906A publication Critical patent/GB126906A/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
    • B23B51/10—Bits for countersinking
    • B23B51/108—Bits for countersinking having a centering drill

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

126,906. Bull, A. J. Nov. 15, 1918. Drills.-A countersink drill has the inner drill 3 supported by a rod 4, one of the notches 5 of which is engaged by a set-screw 8. The drill 3 has a groove 7 engaged by a set.screw 6, and the countersink 1 may be double-ended so that it can be reversed.
GB1877918A 1918-11-15 1918-11-15 Improvements in Countersink Drill. Expired GB126906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1877918A GB126906A (en) 1918-11-15 1918-11-15 Improvements in Countersink Drill.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1877918A GB126906A (en) 1918-11-15 1918-11-15 Improvements in Countersink Drill.

Publications (1)

Publication Number Publication Date
GB126906A true GB126906A (en) 1919-05-22

Family

ID=32348112

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1877918A Expired GB126906A (en) 1918-11-15 1918-11-15 Improvements in Countersink Drill.

Country Status (1)

Country Link
GB (1) GB126906A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522330A (en) * 1947-04-16 1950-09-12 Wright Thomas Eugene Countersinking tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522330A (en) * 1947-04-16 1950-09-12 Wright Thomas Eugene Countersinking tool

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