
CNC Milling Machine Tools Er25-Um Type Clamping Nut for Er Collet Tool Holder Chuck. High Precision Machining: Processing precision reaches 0.01~0.02mm for high-end CNC applications. Durable Material Options: Made from 40Cr or 20CrMnTi with hardness HRC44-60 for longevity. Wide Model Range: Available in ER11, ER16, ER20, ER25, and ER32 sizes. Multiple Type Variants: Offers A, B, M, T1, and T2 types to fit various tool holders. International Certifications: Certified with GS, CE, and ISO 9001 standards. Direct Manufacturer Sales: Sold directly by Yucheng Gerzhuo Mechatronics Technology Co., Ltd. Flexible Customization: Supports customization from samples, designs, and minor adjustments. Fast Production Capacity: Large order fast producing ability with one-month lead time.