Accupro 785000 ER32 Collet 0.25 Inch

Product Description

The ACCUPRO 785000 is an ER32 series collet sized at 0.25 inches (1/4 inch), designed for use in CNC machining centers, milling machines, and other rotating spindle equipment that accept ER32 collet chucks. The collet clamps around cutting tools or workpieces to transmit torque and maintain concentricity during machining operations. At 0.35 pounds and compact at 1.75 inches in height with a 1.5-inch diameter profile, it fits standard ER32 collet chuck holders. Machinists and CNC operators rely on ER-series collets for their wide clamping range and repeatable tool holding across high-speed and precision-cutting applications.

This collet is suited for production and job-shop environments running CNC mills, drill-tap centers, or manual milling machines equipped with ER32 collet chucks. A 0.25-inch bore makes it the correct choice for standard quarter-inch shank end mills, drills, reamers, and similar round-shank tooling. It is sold individually, making it a practical replacement or supplemental collet for shops that need a specific size without purchasing a full set.

Key Features

• ER32 collet series for use with ER32 collet chuck holders
• 0.25 inch (1/4 inch) bore accepts standard quarter-inch shank cutting tools
• Compact form factor: 1.75 inches height, 1.5 inches width and length
• Lightweight at 0.35 pounds for minimal spindle load contribution
• Sold as single unit for targeted replacement or inventory fill

Compatibility

Designed for use with ER32 collet chuck holders that accept the standard ER32 collet taper. Accepts tooling with a 0.25-inch round shank diameter.

Installation Notes

ER collets are installed and removed by a qualified machinist or CNC technician using the appropriate ER32 collet nut and spanner wrench. Always power down and lock out the machine spindle before changing collets. Inspect the collet bore and chuck taper for chips or damage before seating the collet. Do not exceed the collet's rated clamping range, as over-clamping or under-clamping reduces tool-holding accuracy and can cause tool pullout.