GB109102A - An Improved Centering Bit or Countersinking Drill. - Google Patents
An Improved Centering Bit or Countersinking Drill.Info
- Publication number
- GB109102A GB109102A GB1242516A GB1242516A GB109102A GB 109102 A GB109102 A GB 109102A GB 1242516 A GB1242516 A GB 1242516A GB 1242516 A GB1242516 A GB 1242516A GB 109102 A GB109102 A GB 109102A
- Authority
- GB
- United Kingdom
- Prior art keywords
- drill
- improved centering
- centering bit
- countersinking drill
- countersinking
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/0063—Centerdrills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
Abstract
109,102. Lancaster, T. Sept. 1, 1916. Drills for use in centring work have the clearance drill 2 formed separately from the, countersink 1 and relatively adjustable by a screw 3 and secured by a screw 4. In a modification, the drill 2 is screwed to fit the tapped hole in the outer drill.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1242516A GB109102A (en) | 1916-09-01 | 1916-09-01 | An Improved Centering Bit or Countersinking Drill. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1242516A GB109102A (en) | 1916-09-01 | 1916-09-01 | An Improved Centering Bit or Countersinking Drill. |
Publications (1)
Publication Number | Publication Date |
---|---|
GB109102A true GB109102A (en) | 1917-09-01 |
Family
ID=32248707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1242516A Expired GB109102A (en) | 1916-09-01 | 1916-09-01 | An Improved Centering Bit or Countersinking Drill. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB109102A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522330A (en) * | 1947-04-16 | 1950-09-12 | Wright Thomas Eugene | Countersinking tool |
US2613555A (en) * | 1949-12-24 | 1952-10-14 | Schultz Mfg Company | Drilling and centering attachment for turret lathes |
US2826104A (en) * | 1956-03-14 | 1958-03-11 | Edmund J Morin | Cutting tool assembly |
-
1916
- 1916-09-01 GB GB1242516A patent/GB109102A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2522330A (en) * | 1947-04-16 | 1950-09-12 | Wright Thomas Eugene | Countersinking tool |
US2613555A (en) * | 1949-12-24 | 1952-10-14 | Schultz Mfg Company | Drilling and centering attachment for turret lathes |
US2826104A (en) * | 1956-03-14 | 1958-03-11 | Edmund J Morin | Cutting tool assembly |
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