Universal 90528 Collet Chuck Tool Holder 1 Straight Shank 7-1/4 OAL

Description:

The Universal 90528 Collet Chuck Tool Holder is a precision Acura-Flex straight shank collet chuck designed to securely hold cutting tools for milling, drilling, reaming, and boring operations. Featuring a 1-inch straight shank and an overall length of approximately 7-1/4 inches, it delivers excellent concentricity and gripping force for precision machining applications. Maintenance personnel, machinists, OEMs, and manufacturing facilities commonly use this tool holder for replacement, tooling upgrades, and high-accuracy metalworking operations.

Applications:

The Universal 90528 Collet Chuck Tool Holder is commonly installed in CNC machining centers, milling machines, jig borers, and custom fixtures requiring a 1-inch straight shank tool holder. Designed for use with Acura-Flex collets, it supports quick tool changes and precise tool retention in production machining, tool rooms, and general manufacturing environments where repeatable accuracy and rigidity are essential.

Technical Specifications:

• Manufacturer Part Number (MPN): 90528 (also marketed as AF90528)
• Brand: Universal Engineering
• Product Type: Acura-Flex Collet Chuck Tool Holder
• Shank Type: Straight Shank
• Shank Diameter: 1 in.
• Overall Length (OAL): Approximately 7-1/4 in. (7.41 in.)
• Collet Capacity: 1/2 in. maximum
• Collet Range: 7/64 in. to 1/2 in. (AF55–AF82 Acura-Flex collets)
• Function: Securely holds cutting tools for precision machining operations
• Designed for CNC machining centers, milling machines, and jig borers
• OEM replacement component
• Supports drilling, milling, reaming, and boring applications
• Industrial-grade construction for continuous-duty service
• Intended for maintenance, retrofit, and equipment repair applications

Common Replacements:

• Universal Engineering AF90542
• Universal Engineering AF90529
• Universal Engineering AF90530