Spi 75-523 - 3/8" End Mill Adapter, CAT 45, 3/8in Bore

The Spi 75-523 - 3/8" end mill adapter is a precision tooling accessory designed for use in machining applications. It features a CAT 45 holder type, providing a secure and stable connection for end mills. The adapter has an overall length (OAL) of 5-7/8 inches, allowing for extended reach and versatility in various machining operations. It is equipped with a 3/8-inch bore diameter, suitable for accommodating end mills of corresponding size. The outer diameter of the bore measures 1-1/2 inches, ensuring compatibility with a range of milling machines. Additionally, the adapter offers a projection of 2-1/4 inches, facilitating precise and efficient machining processes.