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The internal cone features a concave design, reducing the center height of the blade wings and distributing the drilling load more evenly, thereby enhancing stability.
The symmetrical blade wing arrangement widens the blade channel, improving chip-removal efficiency and preventing buildup at the bottom of the wellbore—thus avoiding repeated cutting.
Additionally, the large-angle nozzle bore angle facilitates effective flushing of the well bottom, helping to prevent bit sticking.
Large-angle flat inner-cone design enhances abrasion resistance and extends service life;
Symmetrical blade arrangement improves bottom-of-hole coverage and boosts overall stability;
Reinforced gauge-keeping tooth density minimizes tool face oscillation while ensuring strong directional control.