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●采用IDS等间距设计模型；

●采用C3、P3/P4、G2冠型和旋转齿设计技术，提高钻头耐磨性；

●采用H2水力结构设计，提高齿面冷却效果；

●采用T4、T5高性能复合片，提高行程进尺。

·Adopting IDS equidistant design models;

·AdoptingC3,P3/P4,G2 crown types and helical tooth design technology to enhance drill bit wear resistance; ·Using H2 hydraulic structure design to improve tooth surface cooling effect;

·Employing T4,T5 high-performance cutters to increase drilling footage.

尺寸范围Size Range:4Vz”~8 %”