JPH0432813U - - Google Patents
Info
- Publication number
- JPH0432813U JPH0432813U JP7469090U JP7469090U JPH0432813U JP H0432813 U JPH0432813 U JP H0432813U JP 7469090 U JP7469090 U JP 7469090U JP 7469090 U JP7469090 U JP 7469090U JP H0432813 U JPH0432813 U JP H0432813U
- Authority
- JP
- Japan
- Prior art keywords
- blade body
- bit
- punching blade
- drilling
- shank
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims 2
Landscapes
- Drilling Tools (AREA)
Description
第１図はこの考案の二段穿孔用ドリルの一部を
断面、第２図はＴピン打込み孔の断面図である。
１……下孔ビツト、２……穿孔刃体、３……シ
ヤンク、４……座ぐりビツト、５……穿孔刃体、
６……鍔、７……ねじ、８……切刃、Ａ……Ｔピ
ン打込み孔。
FIG. 1 is a partial cross-sectional view of the two-stage drilling drill of this invention, and FIG. 2 is a cross-sectional view of a T-pin driving hole. 1... Pilot hole bit, 2... Drilling blade body, 3... Shank, 4... Counterbore bit, 5... Drilling blade body,
6... Tsuba, 7... Screw, 8... Cutting blade, A... T pin driving hole.
Claims (1)
ツトと、穿孔刃体と穿孔刃体基部に鍔を周設した
座ぐりビツトからなり、下孔ビツトの穿孔刃体基
部に座ぐりビツトを脱着自在に固着したことを特
徴とする二段穿孔用ドリル。 It consists of a pilot hole bit in which a drilling blade body and a shank are integrally connected, and a counterbore bit in which a flange is provided around the punching blade body and the base of the punching blade body. A two-stage drilling drill characterized by being fixed in a detachable manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990074690U JP2529606Y2 (en) | 1990-07-12 | 1990-07-12 | Two-stage drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990074690U JP2529606Y2 (en) | 1990-07-12 | 1990-07-12 | Two-stage drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0432813U true JPH0432813U (en) | 1992-03-17 |
| JP2529606Y2 JP2529606Y2 (en) | 1997-03-19 |
Family
ID=31614605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990074690U Expired - Lifetime JP2529606Y2 (en) | 1990-07-12 | 1990-07-12 | Two-stage drill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2529606Y2 (en) |
-
1990
- 1990-07-12 JP JP1990074690U patent/JP2529606Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2529606Y2 (en) | 1997-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |