... .HSS DMo5 2.Polished, VAPO,TIN, TIALN, TICN HRC:63.5-65.5 3.20 years experience 4.ISO9001:2000 HSS Circular Saw Blade ... :1.HSS DMo5 2.Polished, VAPO,TIN, TIALN, TICN HRC:63 ... -high speed steel, out Diameter 200-600mm, bore 25- HSS circular saw blades M2The saw blades used as ground face. It is appropriate for cutting pipe ...