btnx BT30 BT40 Dynamic Balance G2.5 High Speed ER Milling Shank 0.003 High Precision CNC Machining Center ER16 ER20 ER25 ER32 Collet 4Y1Z7

Specification: Brand:KeencuteerProduct specification:BT30/40Product material: high quality steel 20CrMnTiHardness:HRC56°-58True roundness:Carburization depth:>0.8MMOverall clamping runout:0.002MMRecommended speed:below 30000rpm Notice For ER16/20/25/32-1or2 collets, please contact customer service after shooting and tell us which specific collet you need. Feature 1. Adopt dynamic balance design, low vibration, high precision, more stable processing at high speed, which can effectively improve the product processing efficiency.2. Adopt carburizing and then quenching process, high surface hardness and toughness, which can enhance the impact bearing ability of the toolholder.3. 20CRMNTI alloy steel is used.4. The product has high thermal strength and oxygen resistance, and good comprehensive mechanical properties.