DRILLING TOOL HAVING PAD AND DRILL HEAD
The present invention relates to a drilling tool. The drilling tool according to the present invention is configured such that a diamond-shaped guide pad is arranged in a diamond-shaped pocket, the bottom of which is formed into a V-shape and one side of which has a groove formed therein so as to en...
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Format: | Patent |
Sprache: | eng ; fre ; kor |
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