JPS6137452Y2 - - Google Patents
Info
- Publication number
- JPS6137452Y2 JPS6137452Y2 JP18845280U JP18845280U JPS6137452Y2 JP S6137452 Y2 JPS6137452 Y2 JP S6137452Y2 JP 18845280 U JP18845280 U JP 18845280U JP 18845280 U JP18845280 U JP 18845280U JP S6137452 Y2 JPS6137452 Y2 JP S6137452Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- land
- edge
- tip
- shape
- 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
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18845280U JPS6137452Y2 (en]) | 1980-12-26 | 1980-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18845280U JPS6137452Y2 (en]) | 1980-12-26 | 1980-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57108818U JPS57108818U (en]) | 1982-07-05 |
| JPS6137452Y2 true JPS6137452Y2 (en]) | 1986-10-30 |
Family
ID=29992032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18845280U Expired JPS6137452Y2 (en]) | 1980-12-26 | 1980-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6137452Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020U (ja) * | 1983-06-17 | 1985-01-05 | 東芝タンガロイ株式会社 | ガンドリル |
-
1980
- 1980-12-26 JP JP18845280U patent/JPS6137452Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57108818U (en]) | 1982-07-05 |
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