Accupro ER32HP 15.87 ER32 Collet 5/8 Inch

Product Description

The ACCUPRO ER32HP 15.87 is an ER32-series collet designed for use in ER32-compatible toolholders on CNC machining centers, milling machines, and similar rotating-spindle equipment. It accepts a 5/8-inch shank diameter and holds a Total Indicator Runout (TIR) of 0.0002 inches (0.0050 mm), making it suitable for precision work where concentricity directly affects surface finish and tool life. Machinists and tool-room technicians install this collet as part of a collet chuck assembly to secure cutting tools, drills, or reamers during machining operations.

This collet is used in production and job-shop environments wherever an ER32 collet chuck is employed. Typical applications include milling, drilling, reaming, and tapping operations on vertical and horizontal machining centers. The 5/8-inch bore size fits standard 5/8-inch round shank tooling. It is suited for both light-duty finishing passes and general-purpose metal removal where close TIR tolerances are required.

Key Features

• ER32 collet series for use with ER32-compatible toolholders and chucks
• 5/8-inch collet bore accepts standard 5/8-inch shank tooling
• TIR of 0.0002 inches (0.0050 mm) for precision concentricity
• Compact form factor sized for standard ER32 chuck assemblies
• Single-piece quantity packaging for easy stock replenishment

Compatibility

Designed as a direct-fit replacement collet for ER32-series collet chucks accepting 5/8-inch shank tooling. Specific chuck or machine model compatibility was not provided in the available product data.

Installation Notes

Installation is performed by a qualified machinist or tool-room technician. Before inserting or removing the collet, ensure the machine spindle is fully stopped and locked out per applicable safety procedures. Seat the collet fully into the ER32 nut before threading onto the chuck body, and tighten using the appropriate ER collet torque wrench to the chuck manufacturer's specified torque. Inspect the collet bore and seating surfaces for chips or debris prior to assembly to maintain TIR performance.