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![12 1/4 " 5 Blades PDC Bit Steel body, 6 5/8"API REG PIN_PDC Bits_Rock drilling tools | Button bits factory | DTH hammer bits manufacturer | Tricone bits factory-Prodrill Co., Ltd 12 1/4 " 5 Blades PDC Bit Steel body, 6 5/8"API REG PIN_PDC Bits_Rock drilling tools | Button bits factory | DTH hammer bits manufacturer | Tricone bits factory-Prodrill Co., Ltd](https://www.rock-drill-bits.com/uploadfile/2023/02/21/20230221093737fU4YeM.jpg)
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![Different bit types (from left to right: PDC, TCI, and milled-tooth bits). | Download Scientific Diagram Different bit types (from left to right: PDC, TCI, and milled-tooth bits). | Download Scientific Diagram](https://www.researchgate.net/publication/312576118/figure/fig1/AS:613512212656142@1523284118537/Different-bit-types-from-left-to-right-PDC-TCI-and-milled-tooth-bits.png)