Diamond nickel-based blade

The utility model is suitable for cutting blades, and provides a diamond nickel-based blade which comprises an inner base disc, and limiting end seats are arranged on the peripheral side face of the inner base disc and close to one end face in an annular array mode. The outer side edge of the inner basal disc is clamped with the outer cutter ring; clamping grooves matched with the limiting end seats are formed in the inner side, close to one end face, of the outer cutter ring in an annular array manner; the inner side of the inner base disc is fixedly connected with the outer cutter ring through a bolt; blind holes are formed in the inner side of the inner basal disc in an annular array; a through hole matched with the bolt is formed between the end part of the limiting end seat and the blind hole; threaded holes matched with the bolts are formed in the inner sides of the clamping grooves. The utility model has the advantages that the spliced combined type structural design is adopted, the inner base disc is