23 Jul HSS M42 With Cobalt Flat Bar Strip Plate High Speed Steel Lathe Rod Length 200mm
The cobalt content greatly improves the red hardness of the material, which can maintain stable hardness even at high temperatures during cutting and is not easy to soften and wear. Length: 200mm. Made of imported HSS-E cobalt high-speed steel, with a hardness of HRC 64-66,...