Accupro 588527 ER40 Collet 25 Mm

Product Description

The ACCUPRO 588527 is an ER40 series collet sized at 25 mm, designed for use in CNC machining centers, manual milling machines, and other rotating spindle equipment that accepts ER40 toolholding systems. The collet grips cutting tools, drill bits, or round-shank tooling securely during high-speed operation, transmitting torque while maintaining concentricity. Weighing 0.85 pounds, it is built to the ER40 standard and is installed and serviced by machinists and toolroom technicians. The clamping pressure rating of 1000 supports reliable tool retention across a range of cutting applications.

This collet is used in shops running ER40-compatible collet chucks on machining centers, lathes, and milling machines. It is suited for both production environments and job-shop toolrooms where consistent tool runout and secure clamping are required. The 25 mm bore accepts round-shank tooling at that diameter, making it a direct selection for standard metric tooling programs.

Key Features

• ER40 collet series for use with ER40-compatible collet chucks
• 25 mm collet bore size accommodates standard metric shank tooling
• Clamping pressure rating of 1000 for secure tool retention
• Weighs 0.85 pounds for easy handling during tool changes
• Sold individually, one collet per package

Compatibility

Designed as a standard ER40-series collet for use with any ER40-compatible collet chuck or toolholder accepting a 25 mm bore collet.

Installation Notes

Installation is performed by a machinist or toolroom technician. Before changing collets, power down and lock out the spindle drive per OSHA lockout/tagout procedures. Inspect the collet bore and chuck taper for debris or damage before seating. Do not exceed the rated clamping torque for the chuck manufacturer's specified nut torque range.