JPS6128656Y2 - - Google Patents
Info
- Publication number
- JPS6128656Y2 JPS6128656Y2 JP15024680U JP15024680U JPS6128656Y2 JP S6128656 Y2 JPS6128656 Y2 JP S6128656Y2 JP 15024680 U JP15024680 U JP 15024680U JP 15024680 U JP15024680 U JP 15024680U JP S6128656 Y2 JPS6128656 Y2 JP S6128656Y2
- Authority
- JP
- Japan
- Prior art keywords
- center drill
- maximum diameter
- tip
- cutting edge
- edge portion
- 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
- 238000005553 drilling Methods 0.000 claims description 14
- 238000005452 bending Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15024680U JPS6128656Y2 (de) | 1980-10-20 | 1980-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15024680U JPS6128656Y2 (de) | 1980-10-20 | 1980-10-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5773013U JPS5773013U (de) | 1982-05-06 |
| JPS6128656Y2 true JPS6128656Y2 (de) | 1986-08-25 |
Family
ID=29509621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15024680U Expired JPS6128656Y2 (de) | 1980-10-20 | 1980-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6128656Y2 (de) |
-
1980
- 1980-10-20 JP JP15024680U patent/JPS6128656Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5773013U (de) | 1982-05-06 |
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