SHB20 High Speed Steel Lathe Turning Tool Holder Boring Bar Holder CNC PartsSHB20-10

1、Vacuum nitriding treatment makes the surface hardness higher and more wear-resistant. 2、High temperature quenching greatly improve the hardness wear resistance fatigue strength and toughness to achieve a bright surface. 3、Suitable for various CNC turning and milling machines. 4、All working parts precision ground and hardened. 5、Made of high-quality high-speed steel with high hardness and high strength.