KR100628885B1 - 예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 - Google Patents
예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 Download PDFInfo
- Publication number
- KR100628885B1 KR100628885B1 KR1020050040012A KR20050040012A KR100628885B1 KR 100628885 B1 KR100628885 B1 KR 100628885B1 KR 1020050040012 A KR1020050040012 A KR 1020050040012A KR 20050040012 A KR20050040012 A KR 20050040012A KR 100628885 B1 KR100628885 B1 KR 100628885B1
- Authority
- KR
- South Korea
- Prior art keywords
- drill
- carbide
- hole
- step drill
- carbide step
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/08—Drills combined with tool parts or tools for performing additional working
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/10—Bits for countersinking
Abstract
Description
Claims (1)
- 등간격을 갖는 드릴날(101)이 단차를 가지고 형성된 초경스텝드릴(100)에 있어서,상기 드릴날(101)의 선단부(103) 각도(θ)는 176 ± 2°로 구성되며;상기 드릴날(101)에는 마진부(104)가 4개 형성된 것을 특징으로 하는 예비구멍 가공된 비철 재료의 사상구멍 가공용 초경스텝드릴.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050040012A KR100628885B1 (ko) | 2005-05-13 | 2005-05-13 | 예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050040012A KR100628885B1 (ko) | 2005-05-13 | 2005-05-13 | 예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2005-0013503U Division KR200390853Y1 (ko) | 2005-05-13 | 2005-05-13 | 예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR100628885B1 true KR100628885B1 (ko) | 2006-09-27 |
Family
ID=37628880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050040012A KR100628885B1 (ko) | 2005-05-13 | 2005-05-13 | 예비구멍 가공된 비철재료의 사상구멍 가공용 초경스텝드릴 |
Country Status (1)
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KR (1) | KR100628885B1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103213179A (zh) * | 2012-01-23 | 2013-07-24 | 艾温工业工具公司 | 用于木头的阶梯钻 |
KR101498077B1 (ko) * | 2014-04-28 | 2015-03-03 | 김준범 | 자동 사상 장치 |
KR20190067395A (ko) | 2017-12-07 | 2019-06-17 | 이승용 | 정밀가공용 트위스트 드릴 |
JP7423965B2 (ja) | 2019-10-01 | 2024-01-30 | 三菱マテリアル株式会社 | ドリル |
-
2005
- 2005-05-13 KR KR1020050040012A patent/KR100628885B1/ko active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103213179A (zh) * | 2012-01-23 | 2013-07-24 | 艾温工业工具公司 | 用于木头的阶梯钻 |
US9156094B2 (en) | 2012-01-23 | 2015-10-13 | Irwin Industrial Tool Company | Step drill for wood |
KR101498077B1 (ko) * | 2014-04-28 | 2015-03-03 | 김준범 | 자동 사상 장치 |
KR20190067395A (ko) | 2017-12-07 | 2019-06-17 | 이승용 | 정밀가공용 트위스트 드릴 |
JP7423965B2 (ja) | 2019-10-01 | 2024-01-30 | 三菱マテリアル株式会社 | ドリル |
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