Description: Made of premium steel material, the live center is of strong hardness, high and long durability. It is applicable to special lathe in the medium speed of the medium load processing. The main body is made from 40CR steel, its quenching hardness is 45 to 50 HRC; the pointed part is made form high speed steel, quenching hardness is 55 to 60HRC. Features: High quality bearing design, using high speed bearing for high accuracy., Manufacturer: PokFhgur