JPH0365610U - - Google Patents
Info
- Publication number
- JPH0365610U JPH0365610U JP12570589U JP12570589U JPH0365610U JP H0365610 U JPH0365610 U JP H0365610U JP 12570589 U JP12570589 U JP 12570589U JP 12570589 U JP12570589 U JP 12570589U JP H0365610 U JPH0365610 U JP H0365610U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- diameter portion
- small
- multistage
- helical groove
- 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
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Description
図面は本考案に係る多段ドリルの一実施例を示
す正面図である。
１……小径部、３，５……第１、第２の大径部
、７……当り面、９，１１，１３……ねじれ溝、
１５……把持部、１７……刃部、１９……あたり
部。
The drawing is a front view showing an embodiment of the multistage drill according to the present invention. 1... Small diameter part, 3, 5... First and second large diameter part, 7... Contact surface, 9, 11, 13... Twisted groove,
15...gripping part, 17...blade part, 19...bending part.
Claims (1)
り面を有するドリル小径部の他端に、ねじれ溝を
有し前記ドリル小径部より順次径の大きなドリル
大径部を１個以上順次連続して形成してなること
を特徴とする多段ドリル。 (2) 前記ドリル小径部およびドリル大径部の各
ねじれ溝が連続形成されてなる請求項１記載の多
段ドリル。[Claims for Utility Model Registration] (1) A large-diameter portion of a drill having a helical groove and a contact surface at one end of the small-diameter portion of the drill, the other end of which has a helical groove and whose diameters are sequentially larger than the small-diameter portion of the drill. A multistage drill characterized by being formed by successively forming one or more of the following. (2) The multistage drill according to claim 1, wherein each of the helical grooves in the small diameter portion of the drill and the large diameter portion of the drill are formed continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12570589U JPH0365610U (en) | 1989-10-30 | 1989-10-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12570589U JPH0365610U (en) | 1989-10-30 | 1989-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0365610U true JPH0365610U (en) | 1991-06-26 |
Family
ID=31673569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12570589U Pending JPH0365610U (en) | 1989-10-30 | 1989-10-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0365610U (en) |
-
1989
- 1989-10-30 JP JP12570589U patent/JPH0365610U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61141008U (en) | ||
| JPS61131277U (en) | ||
| JPH043743U (en) | ||
| JPS6067822U (en) | screw tap | |
| JPS6310013U (en) | ||
| JPH0433693U (en) | ||
| JPS60153610U (en) | Cable extension line | |
| JPH0250394U (en) | ||
| JPH0341897U (en) | ||
| JPS59160929U (en) | hollow torsion rod | |
| JPS6265485U (en) | ||
| JPH0355152U (en) | ||
| JPS63124470U (en) | ||
| JPS6437327U (en) | ||
| JPH02118626U (en) | ||
| JPS60165200U (en) | pin cutting tool | |
| JPH01106126U (en) | ||
| JPS62103573U (en) | ||
| JPH0351295U (en) | ||
| JPS58188171U (en) | Universal nut tightening tool | |
| JPS63201020U (en) | ||
| JPS61181043U (en) | ||
| JPH0379212U (en) | ||
| JPS6215464U (en) | ||
| JPS62200811U (en) |