Shear blades are available as single-edge, two-edge, four-edge and bowtie shear blade configurations. The margin is smooth , and the cutting edge is sharp ... with abrasion and impact resistance .Our company can produce each kind of circular shear blades within ... 1.5m as well as the superelevation precision circular shear blades within diameters 0.5m, the parallelism may <0.002mm. ...