Universal 90528 Collet Chuck Tool Holder

The Universal Engineering 90528 (AF90528) Acura-Flex straight shank collet chuck tool holder is a precision tool holder designed to securely hold cutting tools for milling, drilling, reaming, and boring operations. It features a 1-inch straight shank and an overall length of approximately 7-1/4 inches (7.41 in), with a 1/2 inch maximum collet capacity and a collet range of 7/64 to 1/2 inch for AF55–AF82 Acura-Flex collets. Designed for CNC machining centers, milling machines, and jig borers, it serves as an OEM replacement component that enables quick tool changes and reliable tool retention in production and retrofit environments. Common replacements include AF90542, AF90529, and AF90530 from Universal Engineering.