JPS62147415U - - Google Patents
Info
- Publication number
- JPS62147415U JPS62147415U JP3636686U JP3636686U JPS62147415U JP S62147415 U JPS62147415 U JP S62147415U JP 3636686 U JP3636686 U JP 3636686U JP 3636686 U JP3636686 U JP 3636686U JP S62147415 U JPS62147415 U JP S62147415U
- Authority
- JP
- Japan
- Prior art keywords
- root
- same
- tip
- groove
- twisted groove
- 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
- 238000013459 approach Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3636686U JPS62147415U (zh) | 1986-03-11 | 1986-03-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3636686U JPS62147415U (zh) | 1986-03-11 | 1986-03-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62147415U true JPS62147415U (zh) | 1987-09-17 |
Family
ID=30846702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3636686U Pending JPS62147415U (zh) | 1986-03-11 | 1986-03-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62147415U (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01306112A (ja) * | 1988-06-03 | 1989-12-11 | Toshiba Tungaloy Co Ltd | プリント基板加工用の小径ドリル |
| JP2012000732A (ja) * | 2010-06-18 | 2012-01-05 | Carbide Internatl Co Ltd | 片刃ドリルビット切り屑排出溝の成形方法 |
-
1986
- 1986-03-11 JP JP3636686U patent/JPS62147415U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01306112A (ja) * | 1988-06-03 | 1989-12-11 | Toshiba Tungaloy Co Ltd | プリント基板加工用の小径ドリル |
| JP2012000732A (ja) * | 2010-06-18 | 2012-01-05 | Carbide Internatl Co Ltd | 片刃ドリルビット切り屑排出溝の成形方法 |