... resistant to damage, impact, vibration, clamping and cutting force. Files shear knives's life are above ... 2008, SGSIn order to serve and supply you better cutting tools, we sincerely hope that you could afford ... number, thickness, segment Size2) Segment welding methods: Laser, High frequency, hot press, cold press 3) Base body material ... ,Hot-rollered wood blade≥20HRC215HV metal cutting machine blade