JPS6335519U - - Google Patents
Info
- Publication number
- JPS6335519U JPS6335519U JP12959186U JP12959186U JPS6335519U JP S6335519 U JPS6335519 U JP S6335519U JP 12959186 U JP12959186 U JP 12959186U JP 12959186 U JP12959186 U JP 12959186U JP S6335519 U JPS6335519 U JP S6335519U
- Authority
- JP
- Japan
- Prior art keywords
- twisted
- blade
- drill
- blade groove
- cutting
- 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
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案の一実施例にかかるドリルの正
面図、第２図は従来例にかかるねじれ刃ドリルの
正面図である。
図面中、２１はドリル、２２は切れ刃、２３は
刃みぞ、２４は切削剤供給路である。
FIG. 1 is a front view of a drill according to an embodiment of the present invention, and FIG. 2 is a front view of a conventional twisted-blade drill. In the drawing, 21 is a drill, 22 is a cutting edge, 23 is a blade groove, and 24 is a cutting agent supply path.
Claims (1)
リルにおいて、前記刃みぞが切削力により絞られ
るねじれ方向に形成されると共に先端に開口する
切削剤供給路がボデー内に設けられたことを特徴
とする逆ねじれドリル。 A twisted blade drill having a blade groove twisted with respect to the shaft, characterized in that the blade groove is formed in a twisting direction narrowed by cutting force, and a cutting agent supply path opening at the tip is provided in the body. Reverse twist drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12959186U JPS6335519U (en) | 1986-08-27 | 1986-08-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12959186U JPS6335519U (en) | 1986-08-27 | 1986-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335519U true JPS6335519U (en) | 1988-03-07 |
Family
ID=31026298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12959186U Pending JPS6335519U (en) | 1986-08-27 | 1986-08-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335519U (en) |
-
1986
- 1986-08-27 JP JP12959186U patent/JPS6335519U/ja active Pending