API 8 1/2 inch 215.9mm 5 Blades PDC Drill Bits Steel Body Diamond PDC Bit for Oil Drilling
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 This drill bit is designed with 5 straight blades and short parabolic configuration, made with low carbon alloy steel, improving ROP and enhancing the stability of the bit. With auxiliary cutting teeth, this bit has higher sttach strength and abrasive resistance in high grind formation. Suitable for drilling in medium formation with high penetration rate.Â