... Hardness: HRC64°66°and HRC68°70°·Features: cutting blades require higher precision. The blades provided by us are smaller than 5/1000mm ... steel plate and other hard materials·We can produce profile circular cutters of multi-angle, sharpness, thickness, inner and ... has extensive application. Generally, it is applied for thicker cutting, discontinuous cutting and bad part fixture. After being coated, it ...