{"number":"US12703029B2","kindCode":"B2","documentType":"grant","title":{"original":"Indexable drilling tool","english":"Indexable drilling tool"},"abstract":{"original":"An indexable drilling tool includes a cutter body, an outer blade and an inner blade. The inner blade is surrounded by a first upper surface, a first lower surface and a first side surface. The first upper surface intersects with the first side surface to form multiple identical inner cutting edges. When drilling, a cutting area of the inner cutting edge as a main cutting edge is located between a central inner point and a central outer point on the inner cutting edge.…","english":"An indexable drilling tool includes a cutter body, an outer blade and an inner blade. The inner blade is surrounded by a first upper surface, a first lower surface and a first side surface. The first upper surface intersects with the first side surface to form multiple identical inner cutting edges. When drilling, a cutting area of the inner cutting edge as a main cutting edge is located between a central inner point and a central outer point on the inner cutting edge.…"},"applicants":["ZHUZHOU CEMENTED CARBIDE CUTTING TOOLS CO., LTD."],"inventors":["Aisheng JIANG","Xun LI","Aimin TANG","Junbo XUE"],"filingDate":"2021-02-08","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12703029B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12703029B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12703029B2","ja":"https://downloadpatent.com/ja/patent/US12703029B2"}}