Hard alloy bead and rope saw

The utility model relates to the technical field of beads, in particular to a hard alloy bead and a wire saw. The hard alloy bead comprises a bead base body and hard alloy particles. The bead string base body is a prism, and the hard alloy particles are arranged on the side faces of the prism. The bottom surface of the prismoid is a polygon, the edges of the polygon comprise long edges and short edges, and the long edges and the short edges are alternately arranged on the bottom surface. The hard alloy bead string can be rapidly cut in and positioned at the beginning of cutting, and guarantee is provided for follow-up stable cutting. 本实用新型涉及串珠技术领域，具体而言，涉及一种硬质合金串珠、绳锯。所述的硬质合金串珠包括：串珠基体和硬质合金颗粒；所述串珠基体为棱柱体，所述硬质合金颗粒设置在棱柱体的侧面上；所述棱柱体的底面为多边形，所述多边形的边具有长边和短边，长边和短边在所述底面上交替设置。所述的硬质合金串珠，切割开始时能够快速切入与定位，为后续稳定切割提供保证。