Dolphin Cylindrical Collet Adaptor, Shank Dia 12 mm, ER 8/11

A Dolphin Cylindrical Collet Adaptor ER 8/11 is a specific type of adaptor used in machining operations, particularly in conjunction with collet chuck systems utilizing ER (Elastic Region) collets. Here's a breakdown of its features: 1. **Cylindrical Design**: The adaptor has a cylindrical shape, which is designed to fit into the collet chuck or holder securely. 2. **ER 8/11 Specification**: The "ER" designation refers to a standard collet chuck system known for its versatility and widespread use in the machining industry. The number following "ER" (in this case, "8") denotes the collet series size, which determines the collet's gripping range. The "11" likely refers to the collet nut size or another related specification. 3. **Collet Adaptor**: The adaptor is used to connect an ER collet chuck to a machine tool spindle. ER collet chucks are commonly used in milling, drilling, and other machining operations to securely hold cutting tools in place. The adaptor allows for compatibility between the collet chuck system and the machine tool spindle. Overall, a Dolphin Cylindrical Collet Adaptor ER 8/11 is a specific accessory used in machining applications to facilitate the use of ER collet chucks with machine tool spindles. Its cylindrical design ensures a secure fit, while the ER 8/11 specification indicates compatibility with a specific range of ER collets and collet chuck systems. This adaptor enables precise and reliable tool holding, contributing to the accuracy and efficiency of machining operations.