JPH0445614U - - Google Patents
Info
- Publication number
- JPH0445614U JPH0445614U JP8759290U JP8759290U JPH0445614U JP H0445614 U JPH0445614 U JP H0445614U JP 8759290 U JP8759290 U JP 8759290U JP 8759290 U JP8759290 U JP 8759290U JP H0445614 U JPH0445614 U JP H0445614U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- pilot
- hole
- drilling
- oil
- 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 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8759290U JPH0445614U (is) | 1990-08-22 | 1990-08-22 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8759290U JPH0445614U (is) | 1990-08-22 | 1990-08-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0445614U true JPH0445614U (is) | 1992-04-17 |
Family
ID=31820064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8759290U Pending JPH0445614U (is) | 1990-08-22 | 1990-08-22 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0445614U (is) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002187009A (ja) * | 2000-12-21 | 2002-07-02 | Daido Steel Co Ltd | 孔明加工用カッター |
JP2020062735A (ja) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | 穴開け工具 |
-
1990
- 1990-08-22 JP JP8759290U patent/JPH0445614U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002187009A (ja) * | 2000-12-21 | 2002-07-02 | Daido Steel Co Ltd | 孔明加工用カッター |
JP2020062735A (ja) * | 2018-10-19 | 2020-04-23 | 松本 武雄 | 穴開け工具 |