JPH034915U - - Google Patents
Info
- Publication number
- JPH034915U JPH034915U JP6503489U JP6503489U JPH034915U JP H034915 U JPH034915 U JP H034915U JP 6503489 U JP6503489 U JP 6503489U JP 6503489 U JP6503489 U JP 6503489U JP H034915 U JPH034915 U JP H034915U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- tip
- decreases toward
- leg
- screw
- 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
- 238000005553 drilling Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 2
Landscapes
- Dowels (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Description
第１図は本考案の一実施例を示すセルフドリリ
ングタツピンねじの一部断面正面図、第２図およ
び第３図は従来のねじの正面図である。
１……頭部、２……脚部、３……先端部、４…
…第１ねじ山、５……第２ねじ山。
FIG. 1 is a partially sectional front view of a self-drilling tuft pin screw showing an embodiment of the present invention, and FIGS. 2 and 3 are front views of a conventional screw. 1...Head, 2...Leg, 3...Tip, 4...
...First thread, 5...Second thread.
Claims (1)
する脚部２と、先端に向かつて直径が徐々に減少
する先端部３とからなり、先端部３から脚部２に
かけて２条のねじ山を形成したねじにおいて、前
記ねじ山の角度をほぼ６５度とし、先端部３の形
状を、脚部２の下端から延びる所定の曲線で先細
に形成し、先端部３におけるねじ山は、脚部２と
連続し、かつ先端に向かつて高さが減少するとと
もに第１ねじ山４よりも第２ねじ山５をやや低く
したことを特徴とするセルフドリリングタツピン
ねじ。 It consists of a head part 1 provided with a tool engaging part, a leg part 2 having a constant diameter, and a tip part 3 whose diameter gradually decreases toward the tip. In the screw with a thread formed thereon, the angle of the thread is approximately 65 degrees, the shape of the tip portion 3 is tapered with a predetermined curve extending from the lower end of the leg portion 2, and the thread on the tip portion 3 is as follows: A self-drilling tatsu pin screw, which is continuous with the leg portion 2 and is characterized in that the height decreases toward the tip and the second thread 5 is slightly lower than the first thread 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6503489U JPH034915U (en) | 1989-06-02 | 1989-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6503489U JPH034915U (en) | 1989-06-02 | 1989-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH034915U true JPH034915U (en) | 1991-01-18 |
Family
ID=31596503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6503489U Pending JPH034915U (en) | 1989-06-02 | 1989-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH034915U (en) |
-
1989
- 1989-06-02 JP JP6503489U patent/JPH034915U/ja active Pending