... % Co10% saw blade 4.CB Carbide material ZHY HRC55 Micro Grain Carbide Saw Blade FeaturesZHY-550 carbide saw balde using ALTIN ... °c, machine rotate speed is up to 8000rpm. ZHY-550, grain size 0.5um, Co10%, HRC55, CB Carbide material.The specification ... , etc.The specification as follows, any requirements please contact us at all times, thank you! ZHY HRC55 Micro Grain Carbide Saw Blade