The COL CHK SS ER20, 3/4X2-1/2 is a high-quality collet chuck designed for precision machining. Made from durable stainless steel, this collet chuck features a 3/4-inch diameter and a length of 2-1/2 inches, ensuring robust performance in various applications. It is compatible with ER20 tool holders and is ideal for use in CNC milling and turning operations. The collet chuck provides excellent grip and stability, making it suitable for high-speed machining tasks. Its design adheres to industry standards, ensuring reliability and efficiency in your machining processes.