8 3/4in PDC Oil Drill Bit 5 Blade API Diamond PDC Steel Body
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8-3/4inch 5 Blades PDC Core Bit PDC Drill Bits Manufacturers Steel Body 1. It is suitable for drilling in medium to medium hard formation. 2. Evolved asymmetric blade cutter design and balanced drill bit load to prevent drill bit whirling. 3. Composite ......
Shaanxi Hainaisen Petroleum Technology Co.,Ltd
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