BT40 BT30 High Precision CNC Tool Holder for CNC Machining Centers Tool Holders

Advantages 1.The tools are made of 40CrMnTi material, which has a higher surface hardness and stronger toughness. 2.The tool body has a runout precision of less than 0.005mm, ensuring higher accuracy. 3.The inner hole of the tool holder is precision ground, resulting in high concentricity and smoother operation. 4.The tool holder undergoes quenching treatment, with a hardness of HRC56-62 after quenching and hardening. Features Material: 40CrMnTi Speed: ≤8000r/min Body accuracy: ≤0.005mm Surface grinding Ra < 0.4u