JPH0141526Y2 - - Google Patents
Info
- Publication number
- JPH0141526Y2 JPH0141526Y2 JP13881881U JP13881881U JPH0141526Y2 JP H0141526 Y2 JPH0141526 Y2 JP H0141526Y2 JP 13881881 U JP13881881 U JP 13881881U JP 13881881 U JP13881881 U JP 13881881U JP H0141526 Y2 JPH0141526 Y2 JP H0141526Y2
- Authority
- JP
- Japan
- Prior art keywords
- recessed portion
- edge
- cutting edge
- depth
- concave portions
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13881881U JPS5844118U (ja) | 1981-09-18 | 1981-09-18 | ガンドリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13881881U JPS5844118U (ja) | 1981-09-18 | 1981-09-18 | ガンドリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5844118U JPS5844118U (ja) | 1983-03-24 |
| JPH0141526Y2 true JPH0141526Y2 (instruction) | 1989-12-07 |
Family
ID=29932027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13881881U Granted JPS5844118U (ja) | 1981-09-18 | 1981-09-18 | ガンドリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844118U (instruction) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60133938A (ja) * | 1983-12-22 | 1985-07-17 | Matsushita Electric Works Ltd | 部品受け装置 |
| JP2535645Y2 (ja) * | 1990-10-25 | 1997-05-14 | 三菱マテリアル株式会社 | ガンドリル |
-
1981
- 1981-09-18 JP JP13881881U patent/JPS5844118U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5844118U (ja) | 1983-03-24 |
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