Accupro 587350 ER25 Collet 0.472 Inch 12mm

Product Description

The ACCUPRO 587350 is an ER25 series collet designed for use in CNC machining centers, milling machines, and other rotating spindle equipment that accept the ER25 collet standard. With a nominal collet size of 12.00 mm (0.4720 inches) and a minimum collet capacity of 0.433 inches (11.0 mm), this collet accommodates a range of shank diameters within that span. It holds a total indicated runout (TIR) of 0.01 mm, making it suitable for applications where tool concentricity and repeatability are critical. Machinists and CNC technicians install this collet as part of standard toolholding setups in production and job-shop environments.

This ER25 collet is intended for use in any spindle, toolholder, or collet chuck that conforms to the ER25 standard. It is commonly used in vertical and horizontal machining centers, CNC routers, and manual milling machines equipped with ER25-compatible toolholding systems. It is suited for holding end mills, drills, reamers, and other round-shank cutting tools within its capacity range. The collet is packaged individually and is appropriate for both replacement and new toolholding setups in production machining and precision fabrication shops.

Key Features

• ER25 series collet — fits any ER25-standard collet chuck or toolholder
• 12.00 mm (0.4720 inch) nominal collet size
• Minimum collet capacity of 0.433 inches (11.0 mm) for range clamping
• 0.01 mm TIR for consistent tool concentricity and reduced runout
• Single-piece packaging for straightforward inventory management

Compatibility

Designed for use with ER25-standard collet chucks and spindle toolholders accepting the ER25 collet series.

Installation Notes

Installation is performed by qualified machinists or CNC technicians. Before changing collets, power down the machine and confirm the spindle has come to a complete stop. Use the appropriate ER25 collet nut and spanner wrench to seat and torque the collet chuck assembly per the machine manufacturer's specifications. Inspect the collet bore and mating surfaces for chips or debris before assembly to protect TIR performance.