The COL ER(640) ER40 collet features a gripping capacity of 5/8 inch, perfect for precision machining. Produced by Field Tool Supply, this collet is constructed from durable materials for enhanced longevity. Its ER40 design ensures compatibility with a variety of CNC machines, making it versatile for different applications. The collet is engineered to provide a secure grip, reducing the risk of tool slippage during operation. Compliant with industry standards, it guarantees high precision and reliability, making it a must-have for machining professionals.