High-hardness diamond cutting blade capable of being used for cutting grooves in vertical wall surface

The utility model relates to a high hardness diamond cutting disc for vertical wall grooving, which comprises a base body and a diamond tool bit group arranged on the outer side of the base body, the base body comprises a first horizontal part, an inclined part and a second horizontal part, the inclined part is arranged between the first horizontal part and the second horizontal part, the diamond tool bit group is arranged on the first horizontal part, and the diamond tool bit group is arranged on the second horizontal part. A heat dissipation chip removal assembly is arranged on the inclined part; a mounting hole is formed in the center of the second horizontal part; the diamond tool bit set comprises a plurality of first diamond tool bits which are arranged on the outer edge of the first horizontal part and distributed in an equal circumference mode and a plurality of second diamond tool bits which are arranged on the side end face of the first horizontal part and distributed in an equal circumference mode,