Polycrystalline diamond compact bit with large-sized cutters

A PDC bit with cutters, comprising:

• a bit body (3) and a bit connecting component (4),
• wherein the bit body (3) is provided with blades (8), and nozzles (2) are defined on the bit body (3) and are disposed between the blades (8);
• and the blades (8) are provided with integral cutters (1) respectively, each of the integral cutters (1) covers a cutter installation working surface (10) of a corresponding one of the blades (8), a shape of each of the integral cutters (1) matches with a crown shape of the corresponding one of the blades (8), and each of the integral cutters (1) is installed on and fitted along the crown shape of the corresponding one of the blades (8);
• wherein each of the blades (8) comprises two side surfaces opposite to each other and an outer surface disposed between and connected to the two side surfaces, one of the two side surfaces comprises a first part and a second part, the first part is closer to the nozzles than the second part, the first part defines a mounting slot, and each of the integral cutters (1) is installed in the mounting slot of the corresponding one of the blades (8);
• and
• wherein the second part of the one of the two side surfaces is a gauge surface (9), the gauge surface (9) defines one strip-shaped hole, and a strip-shaped gauge cutter (6) is installed in the strip-shaped hole.