Features:Six blades and long parabolic profile design, mixed cutter structure.· Force balance design3D bottom hole digital simulation software helps rationally adjust the cutter structure, balance the load of each cutter, reduce the cutters’ lateral force during their operation in the well, improve the bit’s stability.· Hydraulic balance designCFD dynamic analysis technology helps rationally setup the hydraulic parameter and nozzles layout, make sure the chip removal and cooling effect, avoid mud balling and thermal damage, improve the bit speed.· Impact arrestor design· Spiral blades and spiral gauge avail the cutters’ load stability.