DRILL
A drill is disclosed. The drill includes a drill head made of hard metal and a shank made of steel to which the underside of the drill head is fastened integrally. The underside is curved inwardly in a cone-shaped manner.
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A drill is disclosed. The drill includes a drill head made of hard metal and a shank made of steel to which the underside of the drill head is fastened integrally. The underside is curved inwardly in a cone-shaped manner. |
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