The COL ER(612) ER40 collet is designed for precision machining with a 3/16 inch capacity. Manufactured by Field Tool Supply, this collet is made from high-quality materials ensuring durability and reliability. It features a standard ER40 design, compatible with various CNC machines and tool holders. The collet's dimensions are optimized for secure gripping, providing excellent performance in milling and drilling applications. It meets industry standards for precision and quality, making it an essential tool for professionals in the machining sector.