... highly resistant to damage, impact, vibration, clamping and cutting force. Files shear knives's life are above 3- ... 2008, SGSIn order to serve and supply you better cutting tools, we sincerely hope that you could afford such ... blade≥40HRC238HVJC-3Shear the steel,water-cooled blade with better conditionsAll kinds of hot-rolled billet,Hot-rollered wood blade≥20HRC215HV metal cutting machine blade ...