JPS63176009U - - Google Patents
Info
- Publication number
- JPS63176009U JPS63176009U JP5530887U JP5530887U JPS63176009U JP S63176009 U JPS63176009 U JP S63176009U JP 5530887 U JP5530887 U JP 5530887U JP 5530887 U JP5530887 U JP 5530887U JP S63176009 U JPS63176009 U JP S63176009U
- Authority
- JP
- Japan
- Prior art keywords
- height
- drill
- main body
- head portion
- fitted
- 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
- 239000000956 alloy Substances 0.000 claims 2
- 229910045601 alloy Inorganic materials 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5530887U JPS63176009U (2) | 1987-04-10 | 1987-04-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5530887U JPS63176009U (2) | 1987-04-10 | 1987-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63176009U true JPS63176009U (2) | 1988-11-15 |
Family
ID=30883088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5530887U Pending JPS63176009U (2) | 1987-04-10 | 1987-04-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63176009U (2) |
-
1987
- 1987-04-10 JP JP5530887U patent/JPS63176009U/ja active Pending
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