JPS63197013U - - Google Patents
Info
- Publication number
- JPS63197013U JPS63197013U JP1869388U JP1869388U JPS63197013U JP S63197013 U JPS63197013 U JP S63197013U JP 1869388 U JP1869388 U JP 1869388U JP 1869388 U JP1869388 U JP 1869388U JP S63197013 U JPS63197013 U JP S63197013U
- Authority
- JP
- Japan
- Prior art keywords
- tip
- drill
- cutting surfaces
- blade
- twist
- 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
Links
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869388U JPS63197013U ( ) | 1988-02-17 | 1988-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1869388U JPS63197013U ( ) | 1988-02-17 | 1988-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63197013U true JPS63197013U ( ) | 1988-12-19 |
Family
ID=30812597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1869388U Pending JPS63197013U ( ) | 1988-02-17 | 1988-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63197013U ( ) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913973B1 ( ) * | 1969-03-27 | 1974-04-04 |
-
1988
- 1988-02-17 JP JP1869388U patent/JPS63197013U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4913973B1 ( ) * | 1969-03-27 | 1974-04-04 |
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